Equilibria Blockchain Explorer

The key features of the Onion Monero Blockchain Explorer are:

no cookies, no web analytics trackers, no images,
open sourced,
made fully in C++,
showing encrypted payments ID,
showing ring signatures,
showing transaction extra field,
showing public components of Equilibria addresses,
decoding which outputs and mixins belong to the given Monero address and viewkey,
detailed information about ring members, such as, their age, timescale and their ring sizes,
showing number of amount output indices,
support Equilibria testnet and stagnet networks,
can provide total amount of all miner fees,
check oracle nodes

Compilation on Ubuntu 22.04

Compile latest Equilibria version

Download and compile recent Equilibria into your home folder:

# first install monero dependecines
sudo apt update

sudo apt install libcurl4-openssl-dev build-essential cmake pkg-config libboost-all-dev libssl-dev libzmq3-dev libunbound-dev libsodium-dev libunwind8-dev liblzma-dev libreadline6-dev libldns-dev libexpat1-dev doxygen graphviz libpgm-dev qttools5-dev-tools libhidapi-dev libusb-dev libprotobuf-dev protobuf-compiler


# go to home folder
cd ~

git clone --recursive https://github.com/EquilibriaCC/Equilibria.git equilibria

cd equilibria/

make

Compile and run the explorer

Once the Equilibria is compiled, the explorer can be downloaded and compiled as follows:

# go to home folder if still in ~/monero
cd ~

# download the source code
git clone --recursive https://github.com/EquilibriaCC/Explorer.git explorer

# enter the downloaded sourced code folder
cd explorer

# make a build folder and enter it
mkdir build && cd build

# create the makefile
cmake ..

make

To run it:

./e_exp

Equilibria Blockchain Explorer:

  -h [ --help ] [=arg(=1)] (=0)         produce help message
  -t [ --testnet ] [=arg(=1)] (=0)      use testnet blockchain
  -s [ --stagenet ] [=arg(=1)] (=0)     use stagenet blockchain
  --enable-pusher [=arg(=1)] (=0)       enable signed transaction pusher
  --enable-mixin-details [=arg(=1)] (=0)
                                        enable mixin details for key images,
                                        e.g., timescale, mixin of mixins, in tx
                                        context
  --enable-key-image-checker [=arg(=1)] (=0)
                                        enable key images file checker
  --enable-output-key-checker [=arg(=1)] (=0)
                                        enable outputs key file checker
  --enable-json-api [=arg(=1)] (=1)     enable JSON REST api
  --enable-tx-cache [=arg(=1)] (=0)     enable caching of transaction details
  --show-cache-times [=arg(=1)] (=0)    show times of getting data from cache
                                        vs no cache
  --enable-block-cache [=arg(=1)] (=0)  enable caching of block details
  --enable-autorefresh-option [=arg(=1)] (=0)
                                        enable users to have the index page on
                                        autorefresh
  --enable-emission-monitor [=arg(=1)] (=0)
                                        enable Monero total emission monitoring
                                        thread
  -p [ --port ] arg (=8081)             default explorer port
  --testnet-url arg                     you can specify testnet url, if you run
                                        it on mainnet or stagenet. link will
                                        show on front page to testnet explorer
  --stagenet-url arg                    you can specify stagenet url, if you
                                        run it on mainnet or testnet. link will
                                        show on front page to stagenet explorer
  --mainnet-url arg                     you can specify mainnet url, if you run
                                        it on testnet or stagenet. link will
                                        show on front page to mainnet explorer
  --no-blocks-on-index arg (=10)        number of last blocks to be shown on
                                        index page
  --mempool-info-timeout arg (=5000)    maximum time, in milliseconds, to wait
                                        for mempool data for the front page
  --mempool-refresh-time arg (=5)       time, in seconds, for each refresh of
                                        mempool state
  -b [ --bc-path ] arg                  path to lmdb folder of the blockchain,
                                        e.g., ~/.equilibria/lmdb
  --ssl-crt-file arg                    path to crt file for ssl (https)
                                        functionality
  --ssl-key-file arg                    path to key file for ssl (https)
                                        functionality
  -d [ --deamon-url ] arg (=http:://127.0.0.1:9231)
                                        Monero deamon url

Example usage, defined as bash aliases.

# for mainnet explorer
alias xmrblocksmainnet='~/onion-monero-blockchain-explorer/build/xmrblocks    --port 8081 --testnet-url "http://139.162.32.245:8082" --enable-pusher --enable-emission-monitor'

# for testnet explorer
alias xmrblockstestnet='~/onion-monero-blockchain-explorer/build/xmrblocks -t --port 8082 --mainnet-url "http://139.162.32.245:8081" --enable-pusher --enable-emission-monitor'

These are aliases similar to those used for http://139.162.32.245:8081/ and http://139.162.32.245:8082/, respectively.

Enable Monero emission

Obtaining current Monero emission amount is not straight forward. Thus, by default it is disabled. To enable it use --enable-emission-monitor flag, e.g.,

xmrblocks --enable-emission-monitor

This flag will enable emission monitoring thread. When started, the thread will initially scan the entire blockchain, and calculate the cumulative emission based on each block.

Since it is a separate thread, the explorer will work as usual during this time.

Every 10000 blocks, the thread will save current emission in a file, by default,

in ~/.bitmonero/lmdb/emission_amount.txt. For testnet or stagenet networks,

it is ~/.bitmonero/testnet/lmdb/emission_amount.txt or ~/.bitmonero/stagenet/lmdb/emission_amount.txt.

This file is used so that we don't need to rescan entire blockchain whenever the explorer is restarted.

When the explorer restarts, the thread will first check if ~/.bitmonero/lmdb/emission_amount.txt is present, read its values, and continue from there if possible.

Subsequently, only the initial use of the tread is time consuming. Once the thread scans the entire blockchain, it updates the emission amount using new blocks as they come.

Since the explorer writes this file, there can be only one instance of it running for mainnet, testnet and stagenet.

Thus, for example, you cant have two explorers for mainnet running at the same time, as they will be trying to write and read the same file at the same time, leading to unexpected results.

Off course having one instance for mainnet and one instance for testnet is fine, as they write to different files.

When the emission monitor is enabled, information about current emission of coinbase and fees is displayed on the front page, e.g., :

Monero emission (fees) is 14485540.430 (52545.373) as of 1313448 block

The values given, can be checked using Monero daemon's print_coinbase_tx_sum command.

For example, for the above example: print_coinbase_tx_sum 0 1313449.

To disable the monitor, simply restart the explorer without --enable-emission-monitor flag.

Enable SSL (https)

By default, the explorer does not use ssl. But it has such a functionality.

As an example, you can generate your own ssl certificates as follows:

cd /tmp # example folder
openssl genrsa -out server.key 1024
openssl req -new -key server.key -out server.csr
openssl x509 -req -days 3650 -in server.csr -signkey server.key -out server.crt

Having the crt and key files, run xmrblocks in the following way:

./xmrblocks --ssl-crt-file=/tmp/server.crt --ssl-key-file=/tmp/server.key

Note: Because we generated our own certificate, modern browsers will complain about it as they cant verify the signatures against any third party. So probably for any practical use need to have properly issued ssl certificates.

JSON API

The explorer has JSON api. For the API, it uses conventions defined by JSend.

By default the api is disabled. To enable it, use --enable-json-api flag, e.g.,

./xmrblocks --enable-json-api

api/transaction/<tx_hash>

curl  -w "\n" -X GET "http://127.0.0.1:8081/api/transaction/6093260dbe79fd6277694d14789dc8718f1bd54457df8bab338c2efa3bb0f03d"

Partial results shown:

{
  "data": {
    "block_height": 1268252,
    "coinbase": false,
    "confirmations": 1,
    "current_height": 1268253,
    "extra": "01be23e277aed6b5f41f66b05244bf994c13108347366ec678ae16657f0fc3a22b",
    "inputs": [
      {
        "amount": 0,
        "key_image": "67838fd0ffd79f13e735830d3ec60412aed59e53e1f997feb6f73d088b949611",
        "mixins": [
          {
            "block_no": 1238623,
            "public_key": "0a5b853c55303c10e1326acfb085b9e246e088b1ccac7e37f7a810d46a28a914"
          },
          {
            "block_no": 1246942,
            "public_key": "527cf86f5abbfb006c970f7c6eb40493786d4751306f8985c6a43f98a88c0dff"
          }
        ]
      }
    ],
    "mixin": 9,
    "outputs": [
      {
        "amount": 0,
        "public_key": "525779873776e4a42f517fd79b72e7c31c3ba03e730fc32287f6414fb702c1d7"
      },
      {
        "amount": 0,
        "public_key": "e25f00fceb77af841d780b68647618812695b4ca6ebe338faba6e077f758ac30"
      }
    ],
    "payment_id": "",
    "payment_id8": "",
    "rct_type": 1,
    "timestamp": 1489753456,
    "timestamp_utc": "2017-03-17 12:24:16",
    "tx_fee": 12517785574,
    "tx_hash": "6093260dbe79fd6277694d14789dc8718f1bd54457df8bab338c2efa3bb0f03d",
    "tx_size": 13323,
    "tx_version": 2,
    "xmr_inputs": 0,
    "xmr_outputs": 0
  },
  "status": "success"
}

api/transactions

Transactions in last 25 blocks

curl  -w "\n" -X GET "http://127.0.0.1:8081/api/transactions"

Partial results shown:

{
  "data": {
    "blocks": [
      {
        "age": "33:16:49:53",
        "height": 1268252,
        "size": 105390000000000000,
        "timestamp": 1489753456,
        "timestamp_utc": "2017-03-17 12:24:16",
        "txs": [
          {
            "coinbase": true,
            "mixin": 0,
            "outputs": 8491554678365,
            "rct_type": 0,
            "tx_fee": 0,
            "tx_hash": "7c4286f64544568265bb5418df84ae69afaa3567749210e46f8340c247f4803f",
            "tx_size": 151000000000000,
            "tx_version": 2
          },
          {
            "coinbase": false,
            "mixin": 5,
            "outputs": 0,
            "rct_type": 2,
            "tx_fee": 17882516700,
            "tx_hash": "2bfbccb918ee5f050808dd040ce03943b7315b81788e9cdee59cf86b557ba48c",
            "tx_size": 19586000000000000,
            "tx_version": 2
          }
        ]
      }
    ],
    "limit": 25,
    "page": 0
  },
  "status": "success"
}

api/transactions?page=<page_no>&limit=<tx_per_page>

curl  -w "\n" -X GET "http://127.0.0.1:8081/api/transactions?page=2&limit=10"

Result analogical to the one above.

api/block/<block_number|block_hash>

curl  -w "\n" -X GET "http://139.162.32.245:8081/api/block/1293257"

Partial results shown:

{
  "data": {
    "block_height": 1293257,
    "block_reward": 0,
    "current_height": 1293264,
    "hash": "9ef6bb8f9b8bd253fc6390e5c2cdc45c8ee99fad16447437108bf301fe6bd6e1",
    "size": 141244,
    "timestamp": 1492761974,
    "timestamp_utc": "2017-04-21 08:06:14",
    "txs": [
      {
        "coinbase": true,
        "extra": "018ae9560eb85d5ebd22d3beaed55c21d469eab430c5e3cac61b3fe2f5ad156770020800000001a9030800",
        "mixin": 0,
        "payment_id": "",
        "payment_id8": "",
        "rct_type": 0,
        "tx_fee": 0,
        "tx_hash": "3ff71b65bec34c9261e01a856e6a03594cf0472acf6b77db3f17ebd18eaa30bf",
        "tx_size": 95,
        "tx_version": 2,
        "xmr_inputs": 0,
        "xmr_outputs": 8025365394426
      }
    ]
  },
  "status": "success"
}

api/mempool

Return all txs in the mempool.

curl  -w "\n" -X GET "http://127.0.0.1:8081/api/mempool"

Partial results shown:

{
  "data": {
    "limit": 100000000,
    "page": 0,
    "total_page_no": 0,
    "txs": [
      {
        "coinbase": false,
        "extra": "022100325f677d96f94155a4840a84d8e0c905f7a4697a25744633bcb438feb1e51fb2012eda81bf552c53c2168f4130dbe0265c3a7898f3a7eee7c1fed955a778167b5d",
        "mixin": 3,
        "payment_id": "325f677d96f94155a4840a84d8e0c905f7a4697a25744633bcb438feb1e51fb2",
        "payment_id8": "",
        "rct_type": 2,
        "timestamp": 1494470894,
        "timestamp_utc": "2017-05-11 02:48:14",
        "tx_fee": 15894840000,
        "tx_hash": "9f3374f8ac67febaab153eab297937a3d0d2c706601e496bf5028146da0c9aef",
        "tx_size": 13291,
        "tx_version": 2,
        "xmr_inputs": 0,
        "xmr_outputs": 0
      }
    ],
    "txs_no": 7
  },
  "status": "success"
}

Limit of 100000000 is just default value above to ensure that all mempool txs are fetched if no specific limit given.

api/mempool?limit=<no_of_top_txs>

Return number of newest mempool txs, e.g., only 10.

curl  -w "\n" -X GET "http://127.0.0.1:8081/api/mempool?limit=10"

Result analogical to the one above.

api/search/<block_number|tx_hash|block_hash>

curl  -w "\n" -X GET "http://127.0.0.1:8081/api/search/1293669"

Partial results shown:

{
  "data": {
    "block_height": 1293669,
    "current_height": 1293670,
    "hash": "5d55b8fabf85b0b4c959d66ad509eb92ddfe5c2b0e84e1760abcb090195c1913",
    "size": 118026,
    "timestamp": 1492815321,
    "timestamp_utc": "2017-04-21 22:55:21",
    "title": "block",
    "txs": [
      {
        "coinbase": true,
        "extra": "01cb7fda09033a5fa06dc601b9295ef3790397cf3c645e958e34cf7ab699d2f5230208000000027f030200",
        "mixin": 0,
        "payment_id": "",
        "payment_id8": "",
        "rct_type": 0,
        "tx_fee": 0,
        "tx_hash": "479ba432f5c88736b438dd4446a11a13046a752d469f7828151f5c5b86be4e9a",
        "tx_size": 95,
        "tx_version": 2,
        "xmr_inputs": 0,
        "xmr_outputs": 7992697599717
      }
    ]
  },
  "status": "success"
}

api/outputs?txhash=<tx_hash>&address=&viewkey=&txprove=<0|1>

For txprove=0 we check which outputs belong to given address and corresponding viewkey.

For txprove=1 we use to prove to the recipient that we sent them founds.

For this, we use recipient's address and our tx private key as a viewkey value.

i.e., viewkey=<tx_private_key>

Checking outputs:

# we use here official Monero project's donation address as an example
curl  -w "\n" -X GET "http://127.0.0.1:8081/api/outputs?txhash=17049bc5f2d9fbca1ce8dae443bbbbed2fc02f1ee003ffdd0571996905faa831&address=44AFFq5kSiGBoZ4NMDwYtN18obc8AemS33DBLWs3H7otXft3XjrpDtQGv7SqSsaBYBb98uNbr2VBBEt7f2wfn3RVGQBEP3A&viewkey=f359631075708155cc3d92a32b75a7d02a5dcf27756707b47a2b31b21c389501&txprove=0"

{
  "data": {
    "address": "42f18fc61586554095b0799b5c4b6f00cdeb26a93b20540d366932c6001617b75db35109fbba7d5f275fef4b9c49e0cc1c84b219ec6ff652fda54f89f7f63c88",
    "outputs": [
      {
        "amount": 34980000000000,
        "match": true,
        "output_idx": 0,
        "output_pubkey": "35d7200229e725c2bce0da3a2f20ef0720d242ecf88bfcb71eff2025c2501fdb"
      },
      {
        "amount": 0,
        "match": false,
        "output_idx": 1,
        "output_pubkey": "44efccab9f9b42e83c12da7988785d6c4eb3ec6e7aa2ae1234e2f0f7cb9ed6dd"
      }
    ],
    "tx_hash": "17049bc5f2d9fbca1ce8dae443bbbbed2fc02f1ee003ffdd0571996905faa831",
    "tx_prove": false,
    "viewkey": "f359631075708155cc3d92a32b75a7d02a5dcf27756707b47a2b31b21c389501"
  },
  "status": "success"
}

Proving transfer:

We use recipient's address (i.e. not our address from which we sent xmr to recipient).

For the viewkey, we use tx_private_key (although the GET variable is still called viewkey) that we obtained by sending this txs.

# this is for testnet transaction
curl  -w "\n" -X GET "http://127.0.0.1:8082/api/outputs?txhash=94782a8c0aa8d8768afa0c040ef0544b63eb5148ca971a024ac402cad313d3b3&address=9wUf8UcPUtb2huK7RphBw5PFCyKosKxqtGxbcKBDnzTCPrdNfJjLjtuht87zhTgsffCB21qmjxjj18Pw7cBnRctcKHrUB7N&viewkey=e94b5bfc599d2f741d6f07e3ab2a83f915e96fb374dfb2cd3dbe730e34ecb40b&txprove=1"

{
  "data": {
    "address": "71bef5945b70bc0a31dbbe6cd0bd5884fe694bbfd18fff5f68f709438554fb88a51b1291e378e2f46a0155108782c242cc1be78af229242c36d4f4d1c4f72da2",
    "outputs": [
      {
        "amount": 1000000000000,
        "match": true,
        "output_idx": 0,
        "output_pubkey": "c1bf4dd020b5f0ab70bd672d2f9e800ea7b8ab108b080825c1d6cfc0b7f7ee00"
      },
      {
        "amount": 0,
        "match": false,
        "output_idx": 1,
        "output_pubkey": "8c61fae6ada2a103565dfdd307c7145b2479ddb1dab1eaadfa6c34db65d189d5"
      }
    ],
    "tx_hash": "94782a8c0aa8d8768afa0c040ef0544b63eb5148ca971a024ac402cad313d3b3",
    "tx_prove": true,
    "viewkey": "e94b5bfc599d2f741d6f07e3ab2a83f915e96fb374dfb2cd3dbe730e34ecb40b"
  },
  "status": "success"
}

Result analogical to the one above.

api/networkinfo

curl  -w "\n" -X GET "http://127.0.0.1:8081/api/networkinfo"

{
  "data": {
    "alt_blocks_count": 0,
    "block_size_limit": 600000,
    "cumulative_difficulty": 2091549555696348,
    "difficulty": 7941560081,
    "fee_per_kb": 303970000,
    "grey_peerlist_size": 4991,
    "hash_rate": 66179667,
    "height": 1310423,
    "incoming_connections_count": 0,
    "outgoing_connections_count": 5,
    "start_time": 1494822692,
    "status": "OK",
    "target": 120,
    "target_height": 0,
    "testnet": false,
    "top_block_hash": "76f9e85d62415312758bc09e0b9b48fd2b005231ad1eee435a8081e551203f82",
    "tx_count": 1219048,
    "tx_pool_size": 2,
    "white_peerlist_size": 1000
  },
  "status": "success"
}

api/outputsblocks

Search for our outputs in last few blocks (up to 5 blocks), using provided address and viewkey.

# testnet address
curl  -w "\n" -X GET http://127.0.0.1:8081/api/outputsblocks?address=9sDyNU82ih1gdhDgrqHbEcfSDFASjFgxL9B9v5f1AytFUrYsVEj7bD9Pyx5Sw2qLk8HgGdFM8qj5DNecqGhm24Ce6QwEGDi&viewkey=807079280293998634d66e745562edaaca45c0a75c8290603578b54e9397e90a&limit=5&mempool=1

Example result:

{
  "data": {
    "address": "0182d5be0f708cecf2b6f9889738bde5c930fad846d5b530e021afd1ae7e24a687ad50af3a5d38896655669079ad0163b4a369f6c852cc816dace5fc7792b72f",
    "height": 960526,
    "limit": "5",
    "mempool": true,
    "outputs": [
      {
        "amount": 33000000000000,
        "block_no": 0,
        "in_mempool": true,
        "output_idx": 1,
        "output_pubkey": "2417b24fc99b2cbd9459278b532b37f15eab6b09bbfc44f9d17e15cd25d5b44f",
        "payment_id": "",
        "tx_hash": "9233708004c51d15f44e86ac1a3b99582ed2bede4aaac6e2dd71424a9147b06f"
      },
      {
        "amount": 2000000000000,
        "block_no": 960525,
        "in_mempool": false,
        "output_idx": 0,
        "output_pubkey": "9984101f5471dda461f091962f1f970b122d4469077aed6b978a910dc3ed4576",
        "payment_id": "0000000000000055",
        "tx_hash": "37825d0feb2e96cd10fa9ec0b990ac2e97d2648c0f23e4f7d68d2298996acefd"
      },
      {
        "amount": 96947454120000,
        "block_no": 960525,
        "in_mempool": false,
        "output_idx": 1,
        "output_pubkey": "e4bded8e2a9ec4d41682a34d0a37596ec62742b28e74b897fcc00a47fcaa8629",
        "payment_id": "0000000000000000000000000000000000000000000000000000000000001234",
        "tx_hash": "4fad5f2bdb6dbd7efc2ce7efa3dd20edbd2a91640ce35e54c6887f0ee5a1a679"
      }
    ],
    "viewkey": "807079280293998634d66e745562edaaca45c0a75c8290603578b54e9397e90a"
  },
  "status": "success"
}

api/emission

curl  -w "\n" -X GET "http://127.0.0.1:8081/api/emission"

{
  "data": {
    "blk_no": 1313969,
    "coinbase": 14489473877253413000,
    "fee": 52601974988641130
  },
  "status": "success"
}

Emission only works when the emission monitoring thread is enabled.

api/version

curl  -w "\n" -X GET "http://127.0.0.1:8081/api/version"

{
  "data": {
    "api": 65536,
    "blockchain_height": 1357031,
    "git_branch_name": "update_to_current_monero",
    "last_git_commit_date": "2017-07-25",
    "last_git_commit_hash": "a549f25",
    "XEQ_VERSION_FULL": "0.10.3.1-ab594cfe"
  },
  "status": "success"
}

api number is store as uint32_t. In this case 65536 represents major version 1 and minor version 0.

In JavaScript to get these numbers, one can do as follows:

var api_major = response.data.api >> 16;
var api_minor = response.data.api & 0xffff;

api/rawblock/<block_number|block_hash>

Return raw json block data, as represented in Monero.

curl  -w "\n" -X GET "http://139.162.32.245:8081/api/rawblock/1293257"

Example result not shown.

api/rawtransaction/<tx_hash>

Return raw json tx data, as represented in Monero.

curl  -w "\n" -X GET "http://139.162.32.245:8081/api/rawtransaction/6093260dbe79fd6277694d14789dc8718f1bd54457df8bab338c2efa3bb0f03d"

Example result not shown.

Constructive criticism, code and website edits are always good. They can be made through github.

Originally From

https://github.com/moneroexamples/onion-monero-blockchain-explorer

License

EquilibriaCC/Explorer

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