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Merge pull request #38 from christroutner/unstable
NFT Prototypes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| /* | ||
| This library wraps the slp-mdm library to generate the OP_RETURN for NFT1 tokens. | ||
| NFT Group tokens (Parents) are generated and minted. They are like amorphous | ||
| NFTs; like stem cells that haven't specialized yet. | ||
| NFT 'Children' are the 'real' NFTs. They are created by burning an NFT Group | ||
| (Parent) token. | ||
| */ | ||
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| const Address = require("./address") | ||
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| const BigNumber = require("bignumber.js") | ||
| const slpMdm = require("slp-mdm") | ||
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| // const addy = new Address() | ||
| let addy | ||
| const TransactionBuilder = require("../transaction-builder") | ||
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| class TokenType1 { | ||
| constructor(config) { | ||
| this.restURL = config.restURL | ||
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| addy = new Address(config) | ||
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| // Instantiate the transaction builder. | ||
| TransactionBuilder.setAddress(addy) | ||
| } | ||
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| // New NFT Group 'Parent' | ||
| newNFTGroupOpReturn(configObj) { | ||
| try { | ||
| // TODO: Add input validation. | ||
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| // Prevent error if user fails to add the document hash. | ||
| if (!configObj.documentHash) configObj.documentHash = "" | ||
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| // If mint baton is not specified, then replace it with null. | ||
| if (!configObj.mintBatonVout) configObj.mintBatonVout = null | ||
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| const script = slpMdm.NFT1.Group.genesis( | ||
| configObj.ticker, | ||
| configObj.name, | ||
| configObj.documentUrl, | ||
| configObj.documentHash, | ||
| 0, | ||
| configObj.mintBatonVout, | ||
| new slpMdm.BN("1") | ||
| ) | ||
|
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| return script | ||
| } catch (err) { | ||
| console.log(`Error in generateNFTParentOpReturn()`) | ||
| throw err | ||
| } | ||
| } | ||
|
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| // Mint additional NFT Group 'Parent' tokens. | ||
| mintNFTGroupOpReturn(tokenUtxos, mintQty, destroyBaton = false) { | ||
| try { | ||
| // Throw error if input is not an array. | ||
| if (!Array.isArray(tokenUtxos)) | ||
| throw new Error(`tokenUtxos must be an array.`) | ||
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| // Loop through the tokenUtxos array and find the minting baton. | ||
| let mintBatonUtxo | ||
| for (let i = 0; i < tokenUtxos.length; i++) { | ||
| if (tokenUtxos[i].utxoType === "minting-baton") | ||
| mintBatonUtxo = tokenUtxos[i] | ||
| } | ||
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| // Throw an error if the minting baton could not be found. | ||
| if (!mintBatonUtxo) | ||
| throw new Error(`Minting baton could not be found in tokenUtxos array.`) | ||
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| const tokenId = mintBatonUtxo.tokenId | ||
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| if (!tokenId) | ||
| throw new Error(`tokenId property not found in mint-baton UTXO.`) | ||
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| // Signal that the baton should be passed or detroyed. | ||
| let batonVout = 2 | ||
| if (destroyBaton) batonVout = null | ||
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| const script = slpMdm.NFT1.Group.mint( | ||
| tokenId, | ||
| batonVout, | ||
| new slpMdm.BN(mintQty) | ||
| ) | ||
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| return script | ||
| } catch (err) { | ||
| // console.log(`Error in generateMintOpReturn()`) | ||
| throw err | ||
| } | ||
| } | ||
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| generateNFTChildOpReturn(configObj) { | ||
| try { | ||
| // TODO: Add input validation. | ||
|
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| // Prevent error if user fails to add the document hash. | ||
| if (!configObj.documentHash) configObj.documentHash = "" | ||
|
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| // If mint baton is not specified, then replace it with null. | ||
| if (!configObj.mintBatonVout) configObj.mintBatonVout = null | ||
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| const script = slpMdm.NFT1.Group.genesis( | ||
| configObj.ticker, | ||
| configObj.name, | ||
| configObj.documentUrl, | ||
| configObj.documentHash, | ||
| 0, | ||
| configObj.mintBatonVout, | ||
| new slpMdm.BN("1") | ||
| ) | ||
|
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| return script | ||
| } catch (err) { | ||
| console.log(`Error in generateNFTChildOpReturn()`) | ||
| throw err | ||
| } | ||
| } | ||
| } | ||
|
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||
| module.exports = TokenType1 |
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