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The RESTFUL API Of Elastos Node

ELA Node uses the 2*334 port to provide the following interface services:

  • /api/v1/node/connectioncount : Returns the number of nodes to which the node is connected

    Example:

    curl http://localhost:20334/api/v1/node/connectioncount
{
    "Desc": "Success",
    "Error": 0,
    "Result": 5
}

  • /api/v1/node/state : Returns status of the node

    Example:

    curl http://localhost:20334/api/v1/node/state
{
    "Desc": "Success",
    "Error": 0,
    "Result": {
        "Compile": "v0.2.0",
        "ID": 557625380943624900,
        "HexID": "0x7bd15545ce2fac4",
        "Height": 188850,
        "Version": 0,
        "Services": 0,
        "Relay": true,
        "TxnCnt": 84511,
        "RxTxnCnt": 21119,
        "Port": 20338,
        "PRCPort": 20336,
        "RestPort": 20334,
        "WSPort": 20335,
        "OpenPort": 20866,
        "OpenService": false,
        "Neighbors": [{
            "ID": 5225904035618466119,
            "HexID": "0x488624084951a947",
            "Height": 188850,
            "Services": 0,
            "Relay": true,
            "External": false,
            "State": "ESTABLISH",
            "NetAddress": "13.229.159.128:20338"
        }, {
            "ID": 14490220742601427650,
            "HexID": "0xc9179afe2fc14ac2",
            "Height": 188850,
            "Services": 4,
            "Relay": true,
            "External": false,
            "State": "ESTABLISH",
            "NetAddress": "52.220.199.55:20338"
        }]
    }
}

  • /api/v1/block/height : Returns the block height of the node

    Example:

    curl http://localhost:20334/api/v1/block/height
{
    "Desc": "Success",
    "Error": 0,
    "Result": 1000
}

  • /api/v1/transactionpool : Returns various information about the TX mempool

    Example:

    curl http://localhost:20334/api/v1/transactionpool
{
    "Desc": "Success",
    "Error": 0,
    "Result": [{
        "txid": "95d3bb263167581f2291de0ece4927ac8f5c2a9b10e448fa362e70cf6a11dfe5",
        "hash": "95d3bb263167581f2291de0ece4927ac8f5c2a9b10e448fa362e70cf6a11dfe5",
        "size": 368,
        "vsize": 368,
        "version": 0,
        "locktime": 173080,
        "vin": [{
            "txid": "1254a20e4a80274fdd477d13c7ebf8895b71ec6f2609c1f94f4e2601cfca019d",
            "vout": 0,
            "sequence": 0
        }],
        "vout": [{
            "value": "0.32300000",
            "n": 0,
            "address": "EeYC12CizLnApy9SDu9PW6jy2WCVZX5rHA",
            "assetid": "a3d0eaa466df74983b5d7c543de6904f4c9418ead5ffd6d25814234a96db37b0",
            "outputlock": 0
        }],
        "blockhash": "",
        "confirmations": 0,
        "time": 0,
        "blocktime": 0,
        "type": 5,
        "payloadversion": 0,
        "payload": {
            "BlockHeight": 20970,
            "SideBlockHash": "8ed6fbbb389b70b01e028e624c37a834e2f012daa88b179a3b4451f0721f6122",
            "SideGenesisHash": "a3c455a90843db2acd22554f2768a8d4233fafbf8dd549e6b261c2786993be56",
            "SignedData": "3c5d48777fbaf995e74cf386729495238af2b2b6043ecb15ff3fdb241f08f77884cb5bdab7bb43d7a4b25245e5e940861948613443cd92246667143471514cfb"
        },
        "attributes": [{
            "usage": 0,
            "data": "313530333634353830373333383735373432"
        }],
        "programs": [{
            "code": "2102776f2ad3fc822caa976bf0a83eb33cf4047518c9b6d411603be4a864b24acb4bac",
            "parameter": "406ef85b364b2d57a1369516ff334b16560068ae2947b9c9baa1a1f756802cc0d0ec659ed14dd73ec9af1ae1c6706304072ae40551ba4bbe8c2473f0ed6a8182e0"
        }]
    }]
}

  • /api/v1/restart : Restart the restful service

  • /api/v1/block/hash/<height> : Returns the block hash about the given block height

    Example:

    curl http://localhost:20334/api/v1/block/hash/123
{
    "Desc": "Success",
    "Error": 0,
    "Result": "b9450e180aba1a96a93003be1ba775499577f856bb17a82177e74ae4d94db3fb"
}

  • /api/v1/block/details/height/<height> : Returns information about the given block height

    Example:

    curl http://localhost:20334/api/v1/block/details/height/123
{
    "Desc": "Success",
    "Error": 0,
    "Result": {
        "hash": "b9450e180aba1a96a93003be1ba775499577f856bb17a82177e74ae4d94db3fb",
        "confirmations": 188784,
        "strippedsize": 498,
        "size": 498,
        "weight": 1992,
        "height": 123,
        "version": 0,
        "versionhex": "00000000",
        "merkleroot": "3ce4c09723a6c241749098d7416bad64f2439920a8a8afdf19dac895cb946634",
        "tx": [{
            "txid": "3ce4c09723a6c241749098d7416bad64f2439920a8a8afdf19dac895cb946634",
            "hash": "3ce4c09723a6c241749098d7416bad64f2439920a8a8afdf19dac895cb946634",
            "size": 192,
            "vsize": 192,
            "version": 0,
            "locktime": 123,
            "vin": [{
                "txid": "0000000000000000000000000000000000000000000000000000000000000000",
                "vout": 65535,
                "sequence": 4294967295
            }],
            "vout": [{
                "value": "1.50684931",
                "n": 0,
                "address": "8VYXVxKKSAxkmRrfmGpQR2Kc66XhG6m3ta",
                "assetid": "a3d0eaa466df74983b5d7c543de6904f4c9418ead5ffd6d25814234a96db37b0",
                "outputlock": 0
            }, {
                "value": "3.51598174",
                "n": 1,
                "address": "8VYXVxKKSAxkmRrfmGpQR2Kc66XhG6m3ta",
                "assetid": "a3d0eaa466df74983b5d7c543de6904f4c9418ead5ffd6d25814234a96db37b0",
                "outputlock": 0
            }],
            "blockhash": "b9450e180aba1a96a93003be1ba775499577f856bb17a82177e74ae4d94db3fb",
            "confirmations": 188784,
            "time": 1513940099,
            "blocktime": 1513940099,
            "type": 0,
            "payloadversion": 4,
            "payload": {
                "CoinbaseData": "ELA"
            },
            "attributes": [{
                "usage": 0,
                "data": "2a92922b60b3e537"
            }],
            "programs": []
        }],
        "time": 1513940099,
        "mediantime": 1513940099,
        "nonce": 0,
        "bits": 520095999,
        "difficulty": "1",
        "chainwork": "0002e16f",
        "previousblockhash": "7f6effc4e37b0a29e1079d32f6e373e6a962d6531a4e9e5310433dd97709b2a4",
        "nextblockhash": "7cc40920292d89be189e63112f0d4f1ffc0b48cd9e17df0181035f7f0a27b1ba",
        "auxpow": "01000000010000000000000000000000000000000000000000000000000000000000000000000000002cfabe6d6dfbb34dd9e44ae77721a817bb56f877954975a71bbe0330a9961aba0a180e45b90100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffff7f0000000000000000000000000000000000000000000000000000000000000000a0573af605f4d829e3b397e5bd2a8832787eb0f48793152b9f5e8915fae5cc5683e43c5a0000000014a00000"
    }
}

  • /api/v1/block/details/hash/<hash> : Returns information about the given block hash

    Example:

    curl http://localhost:20334/api/v1/block/details/hash/b9450e180aba1a96a93003be1ba775499577f856bb17a82177e74ae4d94db3fb
{
    "Desc": "Success",
    "Error": 0,
    "Result": {
        "hash": "b9450e180aba1a96a93003be1ba775499577f856bb17a82177e74ae4d94db3fb",
        "confirmations": 188788,
        "strippedsize": 498,
        "size": 498,
        "weight": 1992,
        "height": 123,
        "version": 0,
        "versionhex": "00000000",
        "merkleroot": "3ce4c09723a6c241749098d7416bad64f2439920a8a8afdf19dac895cb946634",
        "tx": ["3ce4c09723a6c241749098d7416bad64f2439920a8a8afdf19dac895cb946634"],
        "time": 1513940099,
        "mediantime": 1513940099,
        "nonce": 0,
        "bits": 520095999,
        "difficulty": "1",
        "chainwork": "0002e173",
        "previousblockhash": "7f6effc4e37b0a29e1079d32f6e373e6a962d6531a4e9e5310433dd97709b2a4",
        "nextblockhash": "7cc40920292d89be189e63112f0d4f1ffc0b48cd9e17df0181035f7f0a27b1ba",
        "auxpow": "01000000010000000000000000000000000000000000000000000000000000000000000000000000002cfabe6d6dfbb34dd9e44ae77721a817bb56f877954975a71bbe0330a9961aba0a180e45b90100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffff7f0000000000000000000000000000000000000000000000000000000000000000a0573af605f4d829e3b397e5bd2a8832787eb0f48793152b9f5e8915fae5cc5683e43c5a0000000014a00000"
    }
}

  • /api/v1/confirm/details/height/<height> : Returns information about the given confirm of block height

    Example:

    curl http://localhost:20334/api/v1/confirm/details/height/123
{
  "error": null,
  "id": null,
  "jsonrpc": "2.0",
  "result": {
    "blockhash": "65fd07f4069a1ca6833d38e0baa9b0b4a9bac35131feb5c363bd2fb99f8d06d8"
    "sponsor": "024ac1cdf73e3cbe88843b2d7279e6afdc26fc71d221f28cfbecbefb2a48d48304",
    "viewoffset": 0,
    "votes": [
      {
        "signer": "024babfecea0300971a6f0ad13b27519faff0ef595faf9490dc1f5f4d6e6d7f3fb",
        "accept": true
      },
      {
        "signer": "024ac1cdf73e3cbe88843b2d7279e6afdc26fc71d221f28cfbecbefb2a48d48304",
        "accept": true
      },
      {
        "signer": "0274fe9f165574791f74d5c4358415596e408b704be9003f51a25e90fd527660b5",
        "accept": true
      }
    ]
  }
}

  • /api/v1/confirm/details/hash/<hash> : Returns information about the given confirm of block hash

    Example:

    curl http://localhost:20334/api/v1/confirm/details/hash/65fd07f4069a1ca6833d38e0baa9b0b4a9bac35131feb5c363bd2fb99f8d06d8
{
  "error": null,
  "id": null,
  "jsonrpc": "2.0",
  "result": {
    "blockhash": "65fd07f4069a1ca6833d38e0baa9b0b4a9bac35131feb5c363bd2fb99f8d06d8"
    "sponsor": "024ac1cdf73e3cbe88843b2d7279e6afdc26fc71d221f28cfbecbefb2a48d48304",
    "viewoffset": 0,
    "votes": [
      {
        "signer": "024babfecea0300971a6f0ad13b27519faff0ef595faf9490dc1f5f4d6e6d7f3fb",
        "accept": true
      },
      {
        "signer": "024ac1cdf73e3cbe88843b2d7279e6afdc26fc71d221f28cfbecbefb2a48d48304",
        "accept": true
      },
      {
        "signer": "0274fe9f165574791f74d5c4358415596e408b704be9003f51a25e90fd527660b5",
        "accept": true
      }
    ]
  }
}

  • /api/v1/block/transactions/height/<height> : Returns all hashes of the transactions in the block according to the block height

    Example:

    curl http://localhost:20334/api/v1/block/transactions/height/16000
{
    "Desc": "Success",
    "Error": 0,
    "Result": {
        "Hash": "3fe8b94a27cccbbcd4a6675e1f3df62f0571fc847abf6488d7fff6e522d96862",
        "Height": 16000,
        "Transactions": ["5c0a30ad3764e6524803ac673d552af59acac910cea36f1678d5b0ae03c67078", "73d201de3cc1ccce92d6edff03cf4d1741c6ab99118dce37f7027eec4a5b3e93"]
    }
}

  • /api/v1/transaction/<hash> : Returns information about the given transaction hash

    Example:

    curl http://localhost:20334/api/v1/transaction/5c0a30ad3764e6524803ac673d552af59acac910cea36f1678d5b0ae03c67078
{
    "Desc": "Success",
    "Error": 0,
    "Result": {
        "txid": "5c0a30ad3764e6524803ac673d552af59acac910cea36f1678d5b0ae03c67078",
        "hash": "5c0a30ad3764e6524803ac673d552af59acac910cea36f1678d5b0ae03c67078",
        "size": 192,
        "vsize": 192,
        "version": 0,
        "locktime": 16000,
        "vin": [{
            "txid": "0000000000000000000000000000000000000000000000000000000000000000",
            "vout": 65535,
            "sequence": 4294967295
        }],
        "vout": [{
            "value": "1.50686389",
            "n": 0,
            "address": "8VYXVxKKSAxkmRrfmGpQR2Kc66XhG6m3ta",
            "assetid": "a3d0eaa466df74983b5d7c543de6904f4c9418ead5ffd6d25814234a96db37b0",
            "outputlock": 0
        }, {
            "value": "3.51601576",
            "n": 1,
            "address": "8VYXVxKKSAxkmRrfmGpQR2Kc66XhG6m3ta",
            "assetid": "a3d0eaa466df74983b5d7c543de6904f4c9418ead5ffd6d25814234a96db37b0",
            "outputlock": 0
        }],
        "blockhash": "3fe8b94a27cccbbcd4a6675e1f3df62f0571fc847abf6488d7fff6e522d96862",
        "confirmations": 172872,
        "time": 1515940214,
        "blocktime": 1515940214,
        "type": 0,
        "payloadversion": 4,
        "payload": {
            "CoinbaseData": "ELA"
        },
        "attributes": [{
            "usage": 0,
            "data": "c9a7a12d61c446d4"
        }],
        "programs": []
    }
}

  • /api/v1/asset/balances/<addr> : Returns the balance of the address

    Example:

    curl http://localhost:20334/api/v1/asset/balances/EgHPRhodCsDKuDBPApCK3KLayiBomrJrbH
{
    "Desc": "Success",
    "Error": 0,
    "Result": "20.84298920"
}

  • /api/v1/asset/<hash> : Returns information about the given asset hash

    Example:

    curl http://localhost:20334/api/v1/asset/a3d0eaa466df74983b5d7c543de6904f4c9418ead5ffd6d25814234a96db37b0
{
    "Desc": "Success",
    "Error": 0,
    "Result": {
        "Name": "ELA",
        "Description": "",
        "Precision": 8,
        "AssetType": 0,
        "RecordType": 0
    }
}

  • /api/v1/asset/utxos/<addr> : Returns the UTXOs according to the given address

    Example:

    curl http://localhost:20334/api/v1/asset/utxos/EgHPRhodCsDKuDBPApCK3KLayiBomrJrbH
{
    "Desc": "Success",
    "Error": 0,
    "Result": [{
        "AssetId": "a3d0eaa466df74983b5d7c543de6904f4c9418ead5ffd6d25814234a96db37b0",
        "AssetName": "ELA",
        "Utxo": [{
            "Txid": "c8d4dc984da78c878b9dab752c077b41a98f6e67e5ee6b04cc3d45cb4f42b81b",
            "Index": 1,
            "Value": "0.09956920"
        }, {
            "Txid": "0b219b2b5b836dfa6acb10fad653fadd384494df3f6710ce168c6055106d101b",
            "Index": 0,
            "Value": "20.74342000"
        }]
    }]
}

  • /api/v1/asset/balance/<addr>/<assetid> : Returns the balance about the given address and AssetID

    Example:

    curl http://localhost:20334/api/v1/asset/balance/EgHPRhodCsDKuDBPApCK3KLayiBomrJrbH/a3d0eaa466df74983b5d7c543de6904f4c9418ead5ffd6d25814234a96db37b0
{
    "Desc": "Success",
    "Error": 0,
    "Result": "20.84298920"
}

  • /api/v1/asset/utxo/<addr>/<assetid> : Returns the UTXO(s) according to the given address and AssetID

    Example:

    curl http://localhost:20334/api/v1/asset/utxo/EgHPRhodCsDKuDBPApCK3KLayiBomrJrbH/a3d0eaa466df74983b5d7c543de6904f4c9418ead5ffd6d25814234a96db37b0
{
    "Desc": "Success",
    "Error": 0,
    "Result": [{
        "Txid": "c8d4dc984da78c878b9dab752c077b41a98f6e67e5ee6b04cc3d45cb4f42b81b",
        "Index": 1,
        "Value": "0.09956920"
    }, {
        "Txid": "0b219b2b5b836dfa6acb10fad653fadd384494df3f6710ce168c6055106d101b",
        "Index": 0,
        "Value": "20.74342000"
    }]
}

  • /api/v1/transaction : Broadcasts the transaction data to the node

    Example:

    curl -X POST http://localhost:21334/api/v1/transaction -H "Content-Type: application/json" -d '{"Action": "sendrawtransaction", "data": "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"}'
{
    "Desc": "Success",
    "Error": 0,
    "Result": "2e8d51bdbba82af7a7ed334cb0fb60ad9a5da7e5170f9d2509023f3ed3cce1d0"
}

    The generation of the data parameter value (the signed transaction data) in this interface can be done in two ways:

    1. Use the ela-cli command line tool, examples are as follows
    ./ela-cli wallet buildtx --from EdAEC51BmmzJFHUdMJ6bR5fZB4oo919E8n --to EgKxcDE1kfEXbpXzwL8eavk6XxMyGEqXmC --amount 10 --fee 0.01

    Please replace the parameter values of --from and --to in the example with the actual ELA Address.

    ./ela-cli wallet signtx -f to_be_signed.txn

    Here you need to enter the password of your local wallet. The long string of hexadecimal characters returned by this command is the signed transaction data.

    1. Use the relevant tools provided by the Elastos.ELA.Utilities.Java tool library to generate specific reference to the documentation of the repository.