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diff --git a/.gitignore b/.gitignore index 0abc934bd..a6c0ab829 100644 --- a/.gitignore +++ b/.gitignore @@ -1,3 +1,4 @@ -bitcoin.js coverage node_modules +.nyc_output +npm-debug.log diff --git a/.npmignore b/.npmignore deleted file mode 100644 index 74e448642..000000000 --- a/.npmignore +++ /dev/null @@ -1,4 +0,0 @@ -.gitignore -.travis.yml -jshint.json -test/ diff --git a/.prettierignore b/.prettierignore new file mode 100644 index 000000000..e69de29bb diff --git a/.prettierrc.json b/.prettierrc.json new file mode 100644 index 000000000..a20502b7f --- /dev/null +++ b/.prettierrc.json @@ -0,0 +1,4 @@ +{ + "singleQuote": true, + "trailingComma": "all" +} diff --git a/.travis.yml b/.travis.yml index 26f05da87..bb87738bc 100644 --- a/.travis.yml +++ b/.travis.yml @@ -1,12 +1,27 @@ +sudo: false language: node_js +services: + - docker before_install: - - "npm install npm -g" + - if [ $TEST_SUITE = "integration" ]; then + docker pull junderw/bitcoinjs-regtest-server && + docker run -d -p 127.0.0.1:8080:8080 junderw/bitcoinjs-regtest-server && + docker ps -a; + fi node_js: - - "0.11" - - "0.10" + - "8" + - "lts/" +matrix: + include: + - node_js: "lts/" + env: TEST_SUITE=format:ci + - node_js: "lts/" + env: TEST_SUITE=gitdiff:ci + - node_js: "lts/" + env: TEST_SUITE=lint + - node_js: "lts/" + env: TEST_SUITE=coverage env: - - TEST_SUITE=coveralls - - TEST_SUITE=integration - - TEST_SUITE=standard - TEST_SUITE=unit -script: "npm run-script $TEST_SUITE" + - TEST_SUITE=integration APIURL=http://127.0.0.1:8080/1 +script: npm run-script $TEST_SUITE diff --git a/CHANGELOG.md b/CHANGELOG.md new file mode 100644 index 000000000..cbb2deafd --- /dev/null +++ b/CHANGELOG.md @@ -0,0 +1,289 @@ +# 5.1.2 +added +- ECPair and bip32 objects now have a lowR boolean attribute defaulted to false. You may set it to true to ensure that the sign method uses low R values (bitcoinjs#1442) (This is to enable low R usage in Psbt, since we decided not to give the low R flag to the Psbt class, since it makes more sense to be an attribute of the Signer interface) + +# 5.1.1 +changed +- Name inconsistencies for Psbt class. (Quick fix) + +# 5.1.0 +added +- A new Psbt class for creating, distributing, combining, signing, and compiling Transactions (bitcoinjs#1425) +- A name attribute to the Payment interface. P2SH and P2WSH are nested with '-' as separator, and p2ms is in the format of 'p2ms(m of n)'' all others are just hard coded. (bitcoinjs#1433) + +changed +- TransactionBuilder: Migrate to stricter type checks during sign by switching to a single object parameter (bitcoinjs#1416) +- tests: Use regtest-client as separate library (bitcoinjs#1421) + +# 5.0.5 +added +- Added ECPairInterface Stack and StackElement interfaces to the main index.ts export (TypeScript only affected) + +# 5.0.4 +added +- low R value support for ECPair, bip32, and TransactionBuilder (default off) via txb.setLowR() (bitcoinjs#1385) + +fixed +- Fixed Various TypeScript types that have been pushed out since v5.0.0 (bitcoinjs#1388) + +# 5.0.0 +added +- TypeScript support (bitcoinjs#1319) +- Block.prototype.checkTxRoots will check the merkleRoot and witnessCommit if it exists against the transactions array. (e52abec) (0426c66) + +changed +- Transaction.prototype.getHash now has forWitness?: boolean which when true returns the hash for wtxid (a652d04) +- Block.calculateMerkleRoot now has forWitness?: boolean which when true returns the witness commit (a652d04) + +removed +- Block.prototype.checkMerkleRoot was removed, please use checkTxRoots (0426c66) + +# 4.0.5 +fixed +- Fixed bug where Angular apps break due to lack of crypto at build time. Reverted bitcoinjs#1373 and added (6bead5d). + +# 4.0.4 +fixed +- Fixed bug where Electron v4 breaks due to lack of 'rmd160' alias for ripemd160 hash. (bitcoinjs#1373) + +# 4.0.3 +fixed +- Fixed TransactionBuilder to require that the Transaction has outputs before signing (bitcoinjs#1151) +- Fixed payments.p2sh, which now takes the network from the redeem attribute if one is not given in the object argument (bitcoinjs#1232) +- Fixed Block.calculateTarget to allow for exponents up to 29 (bitcoinjs#1285) +- Fixed some low priority rarely occurring bugs with multisig payments and TransactionBuilder multisig processing (bitcoinjs#1307) + +added +- Regtest network object to networks (bitcoinjs#1261) + +# 4.0.2 +fixed +- Fixed TransactionBuilder not throwing when payment type validation should fail (bitcoinjs#1195) + +removed +- Removed rogue package.json from src/payments (bitcoinjs#1216) + +# 4.0.1 +fixed +- Fixed tiny-secp256k1 dependency version (used ecurve) (bitcoinjs#1139) +- Fixed TransactionBuilder throwing when trying to sign P2WSH(P2WPKH) (bitcoinjs#1135) + +# 4.0.0 +added +- Added bip32 dependency as a primary export (bitcoinjs#1073) +- Added ECPair.fromPrivateKey (bitcoinjs#1070) +- Added payments export, with support for p2pkh, p2pk, p2ms, p2sh, p2wpkh, p2wsh and embed payment types (bitcoinjs#1096, bitcoinjs#1119) +- Added script.signature.encode/decode for script signatures (bitcoinjs#459) + +changed +- ECPair.prototype.sign now returns a 64-byte signature Buffer, not an ECSignature object (bitcoinjs#1084) +- ECPair (and all ECDSA code) now uses tiny-secp256k1, which uses the libsecp256k1 library (bitcoinjs#1070) +- TransactionBuilder internal variables are now __ prefixed to discourage public usage (bitcoinjs#1038) +- TransactionBuilder now defaults to version 2 transaction versions (bitcoinjs#1036) +- script.decompile now returns [Buffer] or null, if decompilation failed (bitcoinjs#1039) + +fixed +- Fixed TransactionBuilder rejecting uncompressed public keys to comply with BIP143 (bitcoinjs#987) + +removed +- Removed Node 4/5 LTS support (bitcoinjs#1080) +- Removed ECPair.fromPublicKeyBuffer, use ECPair.fromPublicKey (bitcoinjs#1070) +- Removed ECPair.prototype.getAddress, use payments.p2pkh instead (bitcoinjs#1085) +- Removed ECPair.prototype.getPrivateKey, use ECPair.prototype.privateKey property (bitcoinjs#1070) +- Removed ECPair.prototype.getPublicKey, use ECPair.prototype.publicKey property (bitcoinjs#1070) +- Removed ECPair.prototype.getNetwork, use ECPair.prototype.network property (bitcoinjs#1070) +- Removed ECSignature, use script.signature.encode/decode instead (bitcoinjs#459) +- Removed HDNode, use bip32 export instead (bitcoinjs#1073) +- Removed bufferutils (bitcoinjs#1035) +- Removed networks.litecoin, BYO non-Bitcoin networks instead (bitcoinjs#1095) +- Removed script.isCanonicalSignature, use script.isCanonicalScriptSignature instead (bitcoinjs#1094) +- Removed script.*.input/output/check functions (templates), use payments.* instead (templates previously added in bitcoinjs#681, bitcoinjs#682) (bitcoinjs#1119) +- Removed dependency bigi, uses bn.js internally now (via tiny-secp256k1) (bitcoinjs#1070, bitcoinjs#1112) +- Removed public access to ECPair constructor, use exported functions ECPair.fromPrivateKey, ECPair.fromWIF, ECPair.makeRandom, or ECPair.fromPublicKey (bitcoinjs#1070) + +# 3.3.2 +fixed +- Fixed decodeStack arbitrarily supporting non-Array arguments (bitcoinjs#942) + +# 3.3.1 +changed +- Increased the TransactionBuilder maximumFeeRate from 1000 to 2500 satoshis/byte. (bitcoinjs#931) + +# 3.3.0 +added +- Added ECSignature.prototype.toRSBuffer/ECSignature.fromRSBuffer (bitcoinjs#915) +- Added support to TransactionBuilder for 64-byte signatures via .sign (bitcoinjs#915) +- Added support to TransactionBuilder for the .publicKey standard as an alternative to .getPublicKey() (bitcoinjs#915) + +# 3.2.1 +fixed +- Fixed script.scripthash.input.check recursion (bitcoinjs#898) +- Fixed TransactionBuilder sometimes ignoring witness value (bitcoinjs#901) +- Fixed script.witnessScriptHash.input implementation (previously used the P2SH impl.) (bitcoinjs#911) + +# 3.2.0 +added +- Added address.fromBech32/toBech32 (bitcoinjs#846) + +# 3.1.0 +added +- Added Transaction.prototype.virtualSize (bitcoinjs#811) +- Added Transaction.prototype.weight (bitcoinjs#811) + +# 3.0.0 +From this release users can expect out-of-the-box Segregated Witness support. +The majority of breaking changes have been in how script encoding/decoding occurs, with the introduction of witness stacks. + +added +- Added script.types enums (bitcoinjs#679) +- Added script.*.*.{check,encode,decode[,encodeStack,decodeStack]} functions (bitcoinjs#681, bitcoinjs#682) +- Added minimal TransactionBuilder.prototype.build absurd fee-safety (bitcoinjs#696) +- Added script.(decompile/compile)PushOnly and script.toStack functions (bitcoinjs#700) +- Added Transaction.prototype.toBuffer Segregated Witness serialization support (bitcoinjs#684, bitcoinjs#701) +- Added Transaction.prototype.hasWitnesses (bitcoinjs#718) +- Added script.witnessCommitment.* template +- Added TransactionBuilder.prototype.sign now has two additional parameters, witnessValue, and witnessScript +- Added Transaction.hashForWitnessV0 and Transaction.setWitness (5c2fdb6) + +fixed +- Fixed script must compile minimally (bitcoinjs#638) +- Fixed Transaction and Block versions should be Int32, signed integers (bitcoinjs#662) + +removed +- Removed ecdsa.calcPubKeyRecoveryParam, ecdsa.recoverPubKey (bitcoinjs#456) +- Removed buffer-equals/buffer-compare dependencies (bitcoinjs#650) +- Removed HDNode.prototype.toString (bitcoinjs#665) +- Removed dogecoin network (bitcoinjs#675) +- Removed message export, moved to bitcoinjs-message (bitcoinjs#456) + +renamed +- Removed script.* functions in favour of bitcoin.script.*.(input/output).(encode/decode/check) style (bitcoinjs#682) + +# 2.3.0 +added +- Added HDNode.prototype.isNeutered (bitcoinjs#536) +- Added HDNode.prototype.derivePath (bitcoinjs#538) +- Added typeforce checking for HDNode.prototype.derive* (bitcoinjs#539) +- Added Transaction.prototype.isCoinbase (bitcoinjs#578) +- Added Block.prototype.checkMerkleRoot (bitcoinjs#580) +- Added Block.calculateMerkleRoot (bitcoinjs#580) +- Added TransactionBuilder.prototype.setVersion (bitcoinjs#599) +- Added script.isWitnessPubKeyHashOutput (bitcoinjs#602) +- Added script.isWitnessScriptHashOutput (bitcoinjs#602) +- Added script.witnessPubKeyHashOutput (bitcoinjs#602) +- Added script.witnessScriptHashOutput (bitcoinjs#602) +- Added script.witnessScriptHashInput (bitcoinjs#602) + +fixed +- Fixed "BIP32 is undefined" when network list given to HDNode but no compatible version found (bitcoinjs#550) +- Fixed writePushDataInt output to adhere to minimal data push policy (bitcoinjs#617) + + +# 2.2.0 +added +- Added Block.calculateTarget for difficulty calculations (bitcoinjs#509) +- Added Block.prototype.checkProofOfWork (bitcoinjs#509) +- Added opcodes.OP_CHECKLOCKTIMEVERIFY alias for OP_NOP2 (bitcoinjs#511) +- Added script.number.[encode/decode] for CScriptNum-encoded Buffers (bitcoinjs#516) +- Added TransactionBuilder.prototype.setLockTime (bitcoinjs#507) + +fixed +- Bumped typeforce version to fix erroneous error message from types.Hash*bit types (bitcoinjs#534) + + +# 2.1.4 +fixed +- script.isPubKeyHashOutput and script.isScriptHashOutput no longer allow for non-minimal data pushes (per bitcoin/bitcoin IsStandard policy) (bitcoinjs#499) +- TransactionBuilder.addOutput now allows for SIGHASH_SINGLE, throwing if the contract is violated (bitcoinjs#504) +- remove use of const, use ES5 only (bitcoinjs#502) + + +# 2.1.3 +fixed +- Bumped typeforce to 1.5.5 (see bitcoinjs#493) + + +# 2.1.2 +fixed +- Add missing CHANGELOG entry for 2.1.1 + + +# 2.1.1 +changed +- removed use of buffer-reverse, dependency only kept for bufferutils.reverse, to be deprecated (bitcoinjs#478) + +fixed +- isMultisigOutput no longer allows data chunks for m/n (bitcoinjs#482) +- isMultisigOutput's n value must now match the number of public keys (as per bitcoin/bitcoin) (bitcoinjs#484) + + +# 2.1.0 +From this release users should use the HDNode directly (compared to accessing .keyPair) when performing ECDSA operations such as sign or verify. +Ideally you shoud not have to directly access HDNode internals for general usage, as it can often be confusing and error prone. + +added +- ECPair.prototype.getNetwork +- HDNode.prototype.getNetwork, wraps the underyling keyPair's getNetwork method +- HDNode.prototype.getPublicKeyBuffer, wraps the underyling keyPair's getPublicKeyBuffer method +- HDNode.prototype.sign, wraps the underlying keyPair's sign method +- HDNode.prototype.verify, wraps the underlying keyPair's verify method + + +# 2.0.0 +In this release we have strived to simplify the API, using native types wherevever possible to encourage cross-compatibility with other open source community modules. + +The ecdsa module has been removed in lieu of using a new ECDSA module (for performance and safety reasons) during the 2.x.y major release. +Several other cumbersome modules have been removed, with their new independent modules recommended for usage instead for greater modularity in your projects. + +----------------------------- + +Backward incompatible changes: + +added +- export address, for address based utility functions, most compatible, just without Address instantiation, see bitcoinjs#401, bitcoinjs#444 +- export script, for script based utility functions, mostly compatible, just without Script instantiation, see bitcoinjs#438, bitcoinjs#444 +- export ECPair, a merged replacement for ECKey/ECPubKey, invalid types will throw via typeforce + +changed +- address.toOutputScript, ECPair.prototype.fromWIF and HDNode.prototype.fromBase58 no longer automatically detect the network, networks.bitcoin is always assumed unless given. +- assert was used for type checking, now replaced by typeforce +- BIP66 compliant strict DER signature validation was added to ECSignature.fromDER, changing the exact exception messages slightly, see bitcoinjs#448. + +- new HDNode(d/Q, chainCode, network) -> new HDNode(keyPair, chainCode), now uses ECPair +- HDNode.prototype.toBase58(false) -> HDNode.prototype.neutered().toBase58() for exporting an extended public key +- HDNode.prototype.toBase58(true) -> HDNode.prototype.toBase58() for exporting an extended private key + +- Transaction.prototype.hashForSignature(prevOutScript, inIndex, hashType) -> Transaction.prototype.hashForSignature(inIndex, prevOutScript, hashType) +- Transaction.prototype.addInput(hash, ...): hash could be a string, Transaction or Buffer -> hash can now only be a Buffer. +- Transaction.prototype.addOutput(scriptPubKey, ...): scriptPubKey could be a string, Address or a Buffer -> scriptPubKey can now only be a Buffer. +- TransactionBuilder API unchanged. + +removed +- export Address, strings are now used, benchwith no performance loss for most use cases +- export base58check, use bs58check instead +- export ecdsa, use ecurve instead +- export ECKey, use new export ECPair instead +- export ECPubKey, use new export ECPair instead +- export Wallet, see README.md#complementing-libraries instead +- export Script, use new utility export script instead (bitcoinjs#438 for more information) + +- crypto.HmacSHA256 , use node crypto instead +- crypto.HmacSHA512 , use node crypto instead + +- Transaction.prototype.sign, use TransactionBuilder.prototype.sign +- Transaction.prototype.signInput, use TransactionBuilder.prototype.sign +- Transaction.prototype.validateInput, use Transaction.prototype.hashForSignature and ECPair.verify + +- HDNode.fromBuffer, use HDNode.fromBase58 instead +- HDNode.fromHex, use HDNode.fromBase58 instead +- HDNode.toBuffer, use HDNode.prototype.toBase58 instead +- HDNode.toHex, use HDNode.prototype.toBase58 instead + +- networks.*.magic, see the comment here +- networks.[viacoin|viacointestnet|gamerscoin|jumbucks|zetacoin], import these yourself (see bitcoinjs#383/a0e6ee7) +- networks.*.estimateFee, out-dated + +renamed +- Message -> message +- scripts -> script +- scripts.dataOutput -> script.nullDataOutput (per convention) diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md new file mode 100644 index 000000000..2c72633de --- /dev/null +++ b/CONTRIBUTING.md @@ -0,0 +1,83 @@ + +[//]: # (This is partially derived from https://github.com/bitcoin/bitcoin/blob/6579d80572d2d33aceabbd3db45a6a9f809aa5e3/CONTRIBUTING.md) + +# Contributing to bitcoinjs-lib +Firstly in terms of structure, there is no particular concept of "bitcoinjs developers" in a sense of privileged people. +Open source revolves around a meritocracy where contributors who help gain trust from the community. + +For practical purpose, there are repository "maintainers" who are responsible for merging pull requests. + +We are always accepting of pull requests, but we do adhere to specific standards in regards to coding style, test driven development and commit messages. + + +## Communication Channels +GitHub is the preferred method of communication between members. + +Otherwise, in order of preference: + bitcoinjs.slack.com +* #bitcoinjs-dev on Freenode IRC + + +## Workflow +The codebase is maintained using the "contributor workflow" where everyone without exception contributes patch proposals using "pull requests". +This facilitates social contribution, easy testing and peer review. + +To contribute a patch, the workflow is as follows: + + 1. Fork repository + 1. Create topic branch + 1. Commit patches + 1. Push changes to your fork + 1. Submit a pull request to https://github.com/bitcoinjs/bitcoinjs-lib + +Commits should be atomic and diffs easy to read. + +If your pull request is accepted for merging, you may be asked by a maintainer to squash and or rebase your commits before it is merged. + +Please refrain from creating several pull requests for the same change. + +Patchsets should be focused: + + * Adding a feature, or + * Fixing a bug, or + * Refactoring code. + +If you combine these, the PR may be rejected or asked to be split up. + +The length of time required for peer review is unpredictable and will vary from pull request to pull request. + +Refer to the Git manual for any information about git. + + +## Regarding TypeScript +This library is written in TypeScript with tslint, prettier, and the tsc transpiler. These tools will help during testing to notice improper logic before committing and sending a pull request. + +Some rules regarding TypeScript: + +* Modify the typescript source code in an IDE that will give you warnings for transpile/lint errors. +* Once you are done with the modifications, run npm run format then npm test +* Running the tests will transpile the ts files into js and d.ts files. +* Use git diff or other tools to verify that the ts and js are changing the same parts. +* Commit all changes to ts, js, and d.ts files. +* Add tests where necessary. +* Submit your pull request. + +Using TypeScript is for preventing bugs while writing code, as well as automatically generating type definitions. However, the JS file diffs must be verified, and any unverified JS will not be published to npm. + + +## We adhere to Bitcoin-Core policy +Bitcoin script payment/script templates are based on community consensus, but typically adhere to bitcoin-core node policy by default. + +- bitcoinjs.script.decompile is consensus bound only, it does not reject based on policy. +- bitcoinjs.script.compile will try to adhere to bitcoin-core IsStandard policies rules. (eg. minimalpush in bitcoinjs#638) + +Any elliptic curve sign operations should adhere to IsStandard policies, like LOW_S, but verify should not reject them [by default]. + +If you need non-standard rejecting decoding, you should use an external module, not this library. + +#### TLDR +Where "standards compliant" refers to the default policies of bitcoin-core, we adhere to the following: +- Any "creation" event must create standards-compliant data (standards bound) +- Any "validation" event must allow for non-standards compliant data (consensus bound) + +For stricter validation, use an external module which we [may have] provided. diff --git a/LICENSE b/LICENSE index 7f5a4ce67..064b88538 100644 --- a/LICENSE +++ b/LICENSE @@ -1,6 +1,6 @@ The MIT License (MIT) -Copyright (c) 2011-2015 Bitcoinjs-lib contributors +Copyright (c) 2011-2019 bitcoinjs-lib contributors Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal diff --git a/README.md b/README.md index 045332e77..6f4600476 100644 --- a/README.md +++ b/README.md @@ -1,162 +1,169 @@ # BitcoinJS (bitcoinjs-lib) - - - - - - -The pure JavaScript Bitcoin library for node.js and browsers. -A continued implementation of the original 0.1.3 version used by over a million wallet users; the backbone for almost all Bitcoin web wallets in production today. - + -## Features + -- Clean: Pure JavaScript, concise code, easy to read. -- Tested: Coverage > 90%, third-party integration tests. -- Careful: Two person approval process for small, focused pull requests. -- Compatible: Works on Node.js and all modern browsers. -- Powerful: Support for advanced features, such as multi-sig, HD Wallets. -- Secure: Strong random number generation, PGP signed releases, trusted developers. -- Principled: No support for browsers with crap RNG (IE < 11) -- Standardized: Node community coding style, Browserify, Node's stdlib and Buffers. -- Fast: Optimized code, uses typed arrays instead of byte arrays for performance. -- Experiment-friendly: Bitcoin Mainnet and Testnet support. -- Altcoin-ready: Capable of working with bitcoin-derived cryptocurrencies (such as Dogecoin). +A javascript Bitcoin library for node.js and browsers. Written in TypeScript, but committing the JS files to verify. +Released under the terms of the MIT LICENSE. ## Should I use this in production? +If you are thinking of using the master branch of this library in production, stop. +Master is not stable; it is our development branch, and only tagged releases may be classified as stable. -If you are thinking of using the master branch of this library in production, stop. -Master is not stable; it is our development branch, and only tagged releases may be classified as stable. -If you are looking for the original, it is tagged as 0.1.3. Unless you need it for dependency reasons, it is strongly recommended that you use (or upgrade to) the newest version, which adds major functionality, cleans up the interface, fixes many bugs, and adds over 1,300 more tests. +## Can I trust this code? +> Don't trust. Verify. +We recommend every user of this library and the bitcoinjs ecosystem audit and verify any underlying code for its validity and suitability, including reviewing any and all of your project's dependencies. -## Installation - -npm install bitcoinjs-lib +Mistakes and bugs happen, but with your help in resolving and reporting issues, together we can produce open source software that is: +- Easy to audit and verify, +- Tested, with test coverage >95%, +- Advanced and feature rich, +- Standardized, using prettier and Node Buffer's throughout, and +- Friendly, with a strong and helpful community, ready to answer questions. -## Setup -### Node.js +## Documentation +Presently, we do not have any formal documentation other than our examples, please ask for help if our examples aren't enough to guide you. - var bitcoin = require('bitcoinjs-lib') - -### Browser - -If you're familiar with how to use browserify, ignore this and proceed normally. -These steps are advisory only and allow you to use the API to its full extent. - -Browserify is assumed to be installed for these steps. - -From your repository, create a foobar.js file - - javascript -var foobar = { - base58: require('bs58'), - bitcoin: require('bitcoinjs-lib'), - ecurve: require('ecurve'), - BigInteger: require('bigi'), - Buffer: require('buffer') -} - -module.exports = foobar +## Installation + bash +npm install bitcoinjs-lib -Each of these included packages are seperate to `bitcoinjs-lib`, and must be installed separately. -They are however used in the bitcoinjs-lib public API. +Typically we support the [Node Maintenance LTS version](https://github.com/nodejs/Release). +If in doubt, see the [.travis.yml](.travis.yml) for what versions are used by our continuous integration tests. -Using browserify, compile `foobar.js` for use in the browser: +**WARNING**: We presently don't provide any tooling to verify that the release on `npm` matches GitHub. As such, you should verify anything downloaded by `npm` against your own verified copy. - $ browserify foobar.js -s foobar > foobar.js -You will then be able to load `foobar.js` into your browser, with each of the dependencies above accessible from the global `foobar` object. +## Usage +Crypto is hard. -**NOTE**: See our package.json for the currently supported version of browserify used by this repository. +When working with private keys, the random number generator is fundamentally one of the most important parts of any software you write. +For random number generation, we *default* to the [`randombytes`](https://github.com/crypto-browserify/randombytes) module, which uses [`window.crypto.getRandomValues`](https://developer.mozilla.org/en-US/docs/Web/API/window.crypto.getRandomValues) in the browser, or Node js' [`crypto.randomBytes`](https://nodejs.org/api/crypto.html#crypto_crypto_randombytes_size_callback), depending on your build system. +Although this default is ~OK, there is no simple way to detect if the underlying RNG provided is good enough, or if it is **catastrophically bad**. +You should always verify this yourself to your own standards. +This library uses [tiny-secp256k1](https://github.com/bitcoinjs/tiny-secp256k1), which uses [RFC6979](https://tools.ietf.org/html/rfc6979) to help prevent `k` re-use and exploitation. +Unfortunately, this isn't a silver bullet. +Often, Javascript itself is working against us by bypassing these counter-measures. -## Examples +Problems in [`Buffer (UInt8Array)`](https://github.com/feross/buffer), for example, can trivially result in **catastrophic fund loss** without any warning. +It can do this through undermining your random number generation, accidentally producing a [duplicate `k` value](https://www.nilsschneider.net/2013/01/28/recovering-bitcoin-private-keys.html), sending Bitcoin to a malformed output script, or any of a million different ways. +Running tests in your target environment is important and a recommended step to verify continuously. -The below examples are implemented as integration tests, they should be very easy to understand. Otherwise, pull requests are appreciated. +Finally, **adhere to best practice**. +We are not an authorative source of best practice, but, at the very least: -- [Generate a random address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/basic.js#L8) -- [Generate a address from a SHA256 hash](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/basic.js#L20) -- [Import an address via WIF](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/basic.js#L29) -- [Create a Transaction](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/basic.js#L36) -- [Sign a Bitcoin message](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/advanced.js#L9) -- [Verify a Bitcoin message](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/advanced.js#L17) -- [Create an OP RETURN transaction](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/advanced.js#L24) -- [Create a 2-of-3 multisig P2SH address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/multisig.js#L8) -- [Spend from a 2-of-2 multisig P2SH address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/multisig.js#L22) -- [Generate a single-key stealth address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/crypto.js#L7) -- [Generate a dual-key stealth address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/crypto.js#L42) -- [Recover a BIP32 parent private key from the parent public key and a derived non-hardened child private key](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/crypto.js#L44) -- [Recover a Private key from duplicate R values in a signature](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/crypto.js#L90) +* [Don't re-use addresses](https://en.bitcoin.it/wiki/Address_reuse). +* Don't share BIP32 extended public keys ('xpubs'). [They are a liability](https://bitcoin.stackexchange.com/questions/56916/derivation-of-parent-private-key-from-non-hardened-child), and it only takes 1 misplaced private key (or a buggy implementation!) and you are vulnerable to **catastrophic fund loss**. +* [Don't use `Math.random`](https://security.stackexchange.com/questions/181580/why-is-math-random-not-designed-to-be-cryptographically-secure) - in any way - don't. +* Enforce that users always verify (manually) a freshly-decoded human-readable version of their intended transaction before broadcast. +* Don't *ask* users to generate mnemonics, or 'brain wallets', humans are terrible random number generators. +* Lastly, if you can, use [Typescript](https://www.typescriptlang.org/) or similar. -## Projects utilizing BitcoinJS - -- [BitAddress](https://www.bitaddress.org) -- [Blockchain.info](https://blockchain.info/wallet) -- [Brainwallet](https://brainwallet.github.io) -- [Coinkite](https://coinkite.com) -- [Coinpunk](https://coinpunk.com) -- [Dark Wallet](https://darkwallet.unsystem.net) -- [DecentralBank](http://decentralbank.com/) -- [Dogechain Wallet](https://dogechain.info) -- [GreenAddress](https://greenaddress.it) -- [Hive Wallet](https://www.hivewallet.com) -- [QuickCoin](https://wallet.quickcoin.co) -- [Robocoin](https://wallet.robocoin.com) -- [Skyhook ATM](http://projectskyhook.com) - +### Browser +The recommended method of using `bitcoinjs-lib` in your browser is through [Browserify](https://github.com/substack/node-browserify). +If you're familiar with how to use browserify, ignore this and carry on, otherwise, it is recommended to read the tutorial at https://browserify.org/. -## Contributors +**NOTE**: We use Node Maintenance LTS features, if you need strict ES5, use [`--transform babelify`](https://github.com/babel/babelify) in conjunction with your `browserify` step (using an [`es2015`](https://babeljs.io/docs/plugins/preset-es2015/) preset). -Stefan Thomas is the inventor and creator of this project. His pioneering work made Bitcoin web wallets possible. +**WARNING**: iOS devices have [problems](https://github.com/feross/buffer/issues/136), use atleast [buffer@5.0.5](https://github.com/feross/buffer/pull/155) or greater, and enforce the test suites (for `Buffer`, and any other dependency) pass before use. -Since then, many people have contributed. [Click here](https://github.com/bitcoinjs/bitcoinjs-lib/graphs/contributors) to see the comprehensive list. +### Typescript or VSCode users +Type declarations for Typescript are included in this library. Normal installation should include all the needed type information. -Daniel Cousens, Wei Lu, JP Richardson and Kyle Drake lead the major refactor of the library from 0.1.3 to 1.0.0. +## Examples +The below examples are implemented as integration tests, they should be very easy to understand. +Otherwise, pull requests are appreciated. +Some examples interact (via HTTPS) with a 3rd Party Blockchain Provider (3PBP). + +### Warning: Currently the tests use TransactionBuilder, which will be removed in the future (v6.x.x or higher) +We will move towards replacing all instances of TransactionBuilder in the tests with the new Psbt. + +Currently we have a few examples on how to use the newer Psbt class at the following link: +- [Psbt examples](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/transactions-psbt.js) + +The rest of the examples are below (using TransactionBuilder for Transaction creation) + +- [Generate a random address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/addresses.js) +- [Import an address via WIF](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/addresses.js) +- [Generate a 2-of-3 P2SH multisig address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/addresses.js) +- [Generate a SegWit address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/addresses.js) +- [Generate a SegWit P2SH address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/addresses.js) +- [Generate a SegWit 3-of-4 multisig address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/addresses.js) +- [Generate a SegWit 2-of-2 P2SH multisig address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/addresses.js) +- [Support the retrieval of transactions for an address (3rd party blockchain)](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/addresses.js) +- [Generate a Testnet address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/addresses.js) +- [Generate a Litecoin address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/addresses.js) +- [Create a 1-to-1 Transaction](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/transactions.js) +- [Create a 2-to-2 Transaction](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/transactions.js) +- [Create (and broadcast via 3PBP) a typical Transaction](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/transactions.js) +- [Create (and broadcast via 3PBP) a Transaction with an OP\_RETURN output](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/transactions.js) +- [Create (and broadcast via 3PBP) a Transaction with a 2-of-4 P2SH(multisig) input](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/transactions.js) +- [Create (and broadcast via 3PBP) a Transaction with a SegWit P2SH(P2WPKH) input](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/transactions.js) +- [Create (and broadcast via 3PBP) a Transaction with a SegWit P2WPKH input](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/transactions.js) +- [Create (and broadcast via 3PBP) a Transaction with a SegWit P2PK input](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/transactions.js) +- [Create (and broadcast via 3PBP) a Transaction with a SegWit 3-of-4 P2SH(P2WSH(multisig)) input](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/transactions.js) +- [Verify a Transaction signature](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/transactions.js) +- [Import a BIP32 testnet xpriv and export to WIF](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/bip32.js) +- [Export a BIP32 xpriv, then import it](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/bip32.js) +- [Export a BIP32 xpub](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/bip32.js) +- [Create a BIP32, bitcoin, account 0, external address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/bip32.js) +- [Create a BIP44, bitcoin, account 0, external address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/bip32.js) +- [Create a BIP49, bitcoin testnet, account 0, external address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/bip32.js) +- [Use BIP39 to generate BIP32 addresses](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/bip32.js) +- [Create (and broadcast via 3PBP) a Transaction where Alice can redeem the output after the expiry (in the past)](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/cltv.js) +- [Create (and broadcast via 3PBP) a Transaction where Alice can redeem the output after the expiry (in the future)](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/cltv.js) +- [Create (and broadcast via 3PBP) a Transaction where Alice and Bob can redeem the output at any time](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/cltv.js) +- [Create (but fail to broadcast via 3PBP) a Transaction where Alice attempts to redeem before the expiry](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/cltv.js) +- [Create (and broadcast via 3PBP) a Transaction where Alice can redeem the output after the expiry (in the future) (simple CHECKSEQUENCEVERIFY)](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/csv.js) +- [Create (but fail to broadcast via 3PBP) a Transaction where Alice attempts to redeem before the expiry (simple CHECKSEQUENCEVERIFY)](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/csv.js) +- [Create (and broadcast via 3PBP) a Transaction where Bob and Charles can send (complex CHECKSEQUENCEVERIFY)](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/csv.js) +- [Create (and broadcast via 3PBP) a Transaction where Alice (mediator) and Bob can send after 2 blocks (complex CHECKSEQUENCEVERIFY)](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/csv.js) +- [Create (and broadcast via 3PBP) a Transaction where Alice (mediator) can send after 5 blocks (complex CHECKSEQUENCEVERIFY)](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/csv.js) + +If you have a use case that you feel could be listed here, please [ask for it](https://github.com/bitcoinjs/bitcoinjs-lib/issues/new)! ## Contributing - -Join the ongoing IRC development channel at `#bitcoinjs-dev` on Freenode. -We are always accepting of Pull requests, but we do adhere to specific standards in regards to coding style, test driven development and commit messages. - -Please make your best effort to adhere to these when contributing to save on trivial corrections. +See [CONTRIBUTING.md](CONTRIBUTING.md). ### Running the test suite - $ npm test - $ npm run-script coverage - + bash +npm test +npm run-script coverage +``` ## Complementing Libraries - -- BIP39 - Mnemonic code for generating deterministic keys -- BIP38 - Passphrase-protected private keys -- BCoin - BIP37 / Bloom Filters / SPV client -- insight - A bitcoin blockchain API for web wallets. +- BIP21 - A BIP21 compatible URL encoding library +- BIP38 - Passphrase-protected private keys +- BIP39 - Mnemonic generation for deterministic keys +- BIP32-Utils - A set of utilities for working with BIP32 +- BIP66 - Strict DER signature decoding +- BIP68 - Relative lock-time encoding library +- BIP69 - Lexicographical Indexing of Transaction Inputs and Outputs +- Base58 - Base58 encoding/decoding +- Base58 Check - Base58 check encoding/decoding +- Bech32 - A BIP173 compliant Bech32 encoding library +- coinselect - A fee-optimizing, transaction input selection module for bitcoinjs-lib. +- merkle-lib - A performance conscious library for merkle root and tree calculations. +- minimaldata - A module to check bitcoin policy: SCRIPT_VERIFY_MINIMALDATA ## Alternatives - +- BCoin - Bitcore - Cryptocoin -## License - -This library is free and open-source software released under the MIT license. - - -## Copyright - -BitcoinJS (c) 2011-2014 Bitcoinjs-lib contributors -Released under MIT license +## LICENSE MIT diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 000000000..9aac26187 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,1989 @@ +{ + "name": "bitcoinjs-lib", + "version": "5.1.2", + "lockfileVersion": 1, + "requires": true, + "dependencies": { + "@babel/code-frame": { + "version": "7.0.0", + "resolved": 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"requires": { + "camelcase": "^5.0.0", + "decamelize": "^1.2.0" + } + } + } +} diff --git a/package.json b/package.json index fd4259be2..daa28132c 100644 --- a/package.json +++ b/package.json @@ -1,65 +1,84 @@ { "name": "bitcoinjs-lib", - "version": "1.5.0", + "version": "5.1.2", "description": "Client-side Bitcoin JavaScript library", "main": "./src/index.js", + "types": "./types/index.d.ts", + "engines": { + "node": ">=8.0.0" + }, "keywords": [ + "bitcoinjs", "bitcoin", - "browser", - "client", - "library" - ], - "contributors": [ - { - "name": "Daniel Cousens", - "email": "bitcoin@dcousens.com", - "url": "http://dcousens.com" - }, - { - "name": "Kyle Drake", - "email": "kyle@kyledrake.net", - "url": "http://kyledrake.net/" - }, - { - "name": "Wei Lu", - "email": "luwei.here@gmail.com", - "url": "http://weilu.github.io/" - }, - { - "name": "Stefan Thomas", - "email": "justmoon@members.fsf.org", - "url": "http://www.justmoon.net" - } + "browserify", + "javascript", + "bitcoinjs" ], "scripts": { - "compile": "browserify ./src/index.js -s bitcoin > bitcoin.js", - "coverage": "istanbul cover _mocha -- test/.js", - "coveralls": "npm run-script coverage && coveralls < coverage/lcov.info", - "integration": "mocha --reporter list test/integration/.js", - "standard": "standard", - "test": "npm run-script unit", - "unit": "istanbul test mocha -- --reporter list test/.js" + "build": "npm run clean && tsc -p ./tsconfig.json && npm run formatjs", + "clean": "rimraf src types", + "coverage-report": "npm run build && npm run nobuild:coverage-report", + "coverage-html": "npm run build && npm run nobuild:coverage-html", + "coverage": "npm run build && npm run nobuild:coverage", + "format": "npm run prettier -- --write", + "formatjs": "npm run prettierjs -- --write > /dev/null 2>&1", + "format:ci": "npm run prettier -- --check && npm run prettierjs -- --check", + "gitdiff:ci": "npm run build && git diff --exit-code", + "integration": "npm run build && npm run nobuild:integration", + "lint": "tslint -p tsconfig.json -c tslint.json", + "nobuild:coverage-report": "nyc report --reporter=lcov", + "nobuild:coverage-html": "nyc report --reporter=html", + "nobuild:coverage": "nyc --check-coverage --branches 90 --functions 90 --lines 90 mocha", + "nobuild:integration": "mocha --timeout 50000 test/integration/", + "nobuild:unit": "mocha", + "prettier": "prettier 'ts_src/**/.ts' --ignore-path ./.prettierignore", + "prettierjs": "prettier 'src/**/*.js' --ignore-path ./.prettierignore", + "test": "npm run build && npm run format:ci && npm run lint && npm run nobuild:coverage", + "unit": "npm run build && npm run nobuild:unit" }, "repository": { "type": "git", "url": "https://github.com/bitcoinjs/bitcoinjs-lib.git" }, + "files": [ + "src", + "types" + ], "dependencies": { - "bigi": "^1.4.0", - "bs58check": "^1.0.4", - "ecurve": "^1.0.0", - "typeforce": "^0.1.0" + "@types/node": "10.12.18", + "bech32": "^1.1.2", + "bip174": "^1.0.0", + "bip32": "^2.0.4", + "bip66": "^1.1.0", + "bitcoin-ops": "^1.4.0", + "bs58check": "^2.0.0", + "create-hash": "^1.1.0", + "create-hmac": "^1.1.3", + "merkle-lib": "^2.0.10", + "pushdata-bitcoin": "^1.0.1", + "randombytes": "^2.0.1", + "tiny-secp256k1": "^1.1.1", + "typeforce": "^1.11.3", + "varuint-bitcoin": "^1.0.4", + "wif": "^2.0.1" }, "devDependencies": { - "async": "^0.9.0", - "browserify": "^9.0.3", - "bs58": "^2.0.1", - "cb-helloblock": "^0.4.10", - "coveralls": "^2.11.2", - "istanbul": "^0.3.5", - "mocha": "^2.1.0", - "mocha-lcov-reporter": "0.0.1", - "sinon": "^1.12.2", - "standard": "^2.7.3" - } + "bip39": "^2.3.0", + "bip65": "^1.0.1", + "bip68": "^1.0.3", + "bn.js": "^4.11.8", + "bs58": "^4.0.0", + "dhttp": "^3.0.0", + "hoodwink": "^2.0.0", + "minimaldata": "^1.0.2", + "mocha": "^5.2.0", + "nyc": "^14.1.1", + "prettier": "1.16.4", + "proxyquire": "^2.0.1", + "regtest-client": "0.2.0", + "rimraf": "^2.6.3", + "tslint": "^5.16.0", + "typescript": "3.2.2" + }, + "license": "MIT" } diff --git a/src/address.js b/src/address.js index 4d8c67a26..e15c55e69 100644 --- a/src/address.js +++ b/src/address.js @@ -1,62 +1,91 @@ -var assert = require('assert') -var base58check = require('bs58check') -var typeForce = require('typeforce') -var networks = require('./networks') -var scripts = require('./scripts') - -function findScriptTypeByVersion (version) { - for (var networkName in networks) { - var network = networks[networkName] - - if (version === network.pubKeyHash) return 'pubkeyhash' - if (version === network.scriptHash) return 'scripthash' - } +'use strict'; +Object.defineProperty(exports, '__esModule', { value: true }); +const networks = require('./networks'); +const payments = require('./payments'); +const bscript = require('./script'); +const types = require('./types'); +const bech32 = require('bech32'); +const bs58check = require('bs58check'); +const typeforce = require('typeforce'); +function fromBase58Check(address) { + const payload = bs58check.decode(address); + // TODO: 4.0.0, move to "toOutputScript" + if (payload.length < 21) throw new TypeError(address + ' is too short'); + if (payload.length > 21) throw new TypeError(address + ' is too long'); + const version = payload.readUInt8(0); + const hash = payload.slice(1); + return { version, hash }; } - -function Address (hash, version) { - typeForce('Buffer', hash) - - assert.strictEqual(hash.length, 20, 'Invalid hash length') - assert.strictEqual(version & 0xff, version, 'Invalid version byte') - - this.hash = hash - this.version = version +exports.fromBase58Check = fromBase58Check; +function fromBech32(address) { + const result = bech32.decode(address); + const data = bech32.fromWords(result.words.slice(1)); + return { + version: result.words[0], + prefix: result.prefix, + data: Buffer.from(data), + }; } - -Address.fromBase58Check = function (string) { - var payload = base58check.decode(string) - var version = payload.readUInt8(0) - var hash = payload.slice(1) - - return new Address(hash, version) +exports.fromBech32 = fromBech32; +function toBase58Check(hash, version) { + typeforce(types.tuple(types.Hash160bit, types.UInt8), arguments); + const payload = Buffer.allocUnsafe(21); + payload.writeUInt8(version, 0); + hash.copy(payload, 1); + return bs58check.encode(payload); } - -Address.fromOutputScript = function (script, network) { - network = network || networks.bitcoin - - if (scripts.isPubKeyHashOutput(script)) return new Address(script.chunks[2], network.pubKeyHash) - if (scripts.isScriptHashOutput(script)) return new Address(script.chunks[1], network.scriptHash) - - assert(false, script.toASM() + ' has no matching Address') +exports.toBase58Check = toBase58Check; +function toBech32(data, version, prefix) { + const words = bech32.toWords(data); + words.unshift(version); + return bech32.encode(prefix, words); } - -Address.prototype.toBase58Check = function () { - var payload = new Buffer(21) - payload.writeUInt8(this.version, 0) - this.hash.copy(payload, 1) - - return base58check.encode(payload) +exports.toBech32 = toBech32; +function fromOutputScript(output, network) { + // TODO: Network + network = network || networks.bitcoin; + try { + return payments.p2pkh({ output, network }).address; + } catch (e) {} + try { + return payments.p2sh({ output, network }).address; + } catch (e) {} + try { + return payments.p2wpkh({ output, network }).address; + } catch (e) {} + try { + return payments.p2wsh({ output, network }).address; + } catch (e) {} + throw new Error(bscript.toASM(output) + ' has no matching Address'); } - -Address.prototype.toOutputScript = function () { - var scriptType = findScriptTypeByVersion(this.version) - - if (scriptType === 'pubkeyhash') return scripts.pubKeyHashOutput(this.hash) - if (scriptType === 'scripthash') return scripts.scriptHashOutput(this.hash) - - assert(false, this.toString() + ' has no matching Script') +exports.fromOutputScript = fromOutputScript; +function toOutputScript(address, network) { + network = network || networks.bitcoin; + let decodeBase58; + let decodeBech32; + try { + decodeBase58 = fromBase58Check(address); + } catch (e) {} + if (decodeBase58) { + if (decodeBase58.version === network.pubKeyHash) + return payments.p2pkh({ hash: decodeBase58.hash }).output; + if (decodeBase58.version === network.scriptHash) + return payments.p2sh({ hash: decodeBase58.hash }).output; + } else { + try { + decodeBech32 = fromBech32(address); + } catch (e) {} + if (decodeBech32) { + if (decodeBech32.prefix !== network.bech32) + throw new Error(address + ' has an invalid prefix'); + if (decodeBech32.version === 0) { + if (decodeBech32.data.length === 20) + return payments.p2wpkh({ hash: decodeBech32.data }).output; + if (decodeBech32.data.length === 32) + return payments.p2wsh({ hash: decodeBech32.data }).output; + } + } + } + throw new Error(address + ' has no matching Script'); } - -Address.prototype.toString = Address.prototype.toBase58Check - -module.exports = Address +exports.toOutputScript = toOutputScript; diff --git a/src/block.js b/src/block.js index dca1f4cf3..22449fd5f 100644 --- a/src/block.js +++ b/src/block.js @@ -1,120 +1,242 @@ -var assert = require('assert') -var bufferutils = require('./bufferutils') -var crypto = require('./crypto') - -var Transaction = require('./transaction') - -function Block () { - this.version = 1 - this.prevHash = null - this.merkleRoot = null - this.timestamp = 0 - this.bits = 0 - this.nonce = 0 -} - -Block.fromBuffer = function (buffer) { - assert(buffer.length >= 80, 'Buffer too small (< 80 bytes)') - - var offset = 0 - function readSlice (n) { - offset += n - return buffer.slice(offset - n, offset) - } - - function readUInt32 () { - var i = buffer.readUInt32LE(offset) - offset += 4 - return i - } - - var block = new Block() - block.version = readUInt32() - block.prevHash = readSlice(32) - block.merkleRoot = readSlice(32) - block.timestamp = readUInt32() - block.bits = readUInt32() - block.nonce = readUInt32() - - if (buffer.length === 80) return block - - function readVarInt () { - var vi = bufferutils.readVarInt(buffer, offset) - offset += vi.size - return vi.number - } - - // FIXME: poor performance - function readTransaction () { - var tx = Transaction.fromBuffer(buffer.slice(offset), true) - - offset += tx.toBuffer().length - return tx - } - - var nTransactions = readVarInt() - block.transactions = [] - - for (var i = 0; i < nTransactions; ++i) { - var tx = readTransaction() - block.transactions.push(tx) - } - - return block -} - -Block.fromHex = function (hex) { - return Block.fromBuffer(new Buffer(hex, 'hex')) -} - -Block.prototype.getHash = function () { - return crypto.hash256(this.toBuffer(true)) -} - -Block.prototype.getId = function () { - return bufferutils.reverse(this.getHash()).toString('hex') -} - -Block.prototype.getUTCDate = function () { - var date = new Date(0) // epoch - date.setUTCSeconds(this.timestamp) - - return date +'use strict'; +Object.defineProperty(exports, '__esModule', { value: true }); +const bufferutils_1 = require('./bufferutils'); +const bcrypto = require('./crypto'); +const transaction_1 = require('./transaction'); +const types = require('./types'); +const fastMerkleRoot = require('merkle-lib/fastRoot'); +const typeforce = require('typeforce'); +const varuint = require('varuint-bitcoin'); +const errorMerkleNoTxes = new TypeError( + 'Cannot compute merkle root for zero transactions', +); +const errorWitnessNotSegwit = new TypeError( + 'Cannot compute witness commit for non-segwit block', +); +class Block { + constructor() { + this.version = 1; + this.prevHash = undefined; + this.merkleRoot = undefined; + this.timestamp = 0; + this.witnessCommit = undefined; + this.bits = 0; + this.nonce = 0; + this.trans

[Ashtonulliac]

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