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EVM API Reference

Web3 JSON-RPC protocol

eth_protocolVersion

Returns the current findora protocol version.
Parameters
none
Returns
String - The current ethereum protocol version
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"eth_protocolVersion","params":[],"id":1,"jsonrpc":"2.0"}'
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": "54"
}

eth_chainId

Returns the current findora chain ID
Parameters
none
Returns
String - The current findora chain ID
Example
Request
curl localhost:8545
-X POST
-H "Content-Type: application/json"
--data '{"method":"eth_chainId","params":[],"id":1,"jsonrpc":"2.0"}'
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": "0x869" # 2153
}

eth_accounts

Returns a list of addresses owned by client.
Parameters
none
Returns
Array - 20 Bytes - addresses owned by the client.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","method":"eth_accounts","params":[],"id":1}'
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": ["0x407d73d8a49eeb85d32cf465507dd71d507100c1"]
}

eth_getBalance

Returns a list of addresses owned by client.
Parameters
  1. 1.
    Address - 20 Bytes - address to check for balance.
  2. 2.
    Quantity or Tag - (optional) Integer block number, or the string 'latest', 'earliest' or 'pending'.
params: ["0x407d73d8a49eeb85d32cf465507dd71d507100c1"]
Returns
Quantity - integer of the current balance in wei.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"eth_getBalance","params":["0x8D97689C9818892B700e27F316cc3E41e17fBeb9", "latest"],"id":1,"jsonrpc":"2.0"}'
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": "0x0234c8a3397aab58"
}

eth_sendTransaction

Creates new message call transaction or a contract creation, if the data field contains code.
Parameters
  1. 1.
    Object - The transaction object
    • from: Address - 20 Bytes - The address the transaction is send from.
    • to: Address - (optional) 20 Bytes - The address the transaction is directed to.
    • gas: Quantity - (optional) Integer of the gas provided for the transaction execution. eth_call consumes zero gas, but this parameter may be needed by some executions.
    • gasPrice: Quantity - (optional) Integer of the gas price used for each paid gas.
    • value: Quantity - (optional) Integer of the value sent with this transaction.
    • data: Data - (optional) 4 byte hash of the method signature followed by encoded parameters. For details see Ethereum Contract ABI.
    • nonce: Quantity - (optional) Integer of a nonce. This allows to overwrite your own pending transactions that use the same nonce.
    • condition: Object - (optional) Conditional submission of the transaction. Can be either an integer block number { block: 1 } or UTC timestamp (in seconds) { time: 1491290692 } or null.
params: [{
"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
"to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
"gas": "0x76c0", // 30400
"gasPrice": "0x9184e72a000", // 10000000000000
"value": "0x9184e72a", // 2441406250
"data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
}]
Returns
Hash - 32 Bytes - the transaction hash, or the zero hash if the transaction is not yet available.
Use eth_getTransactionReceipt to get the contract address, after the transaction was mined, when you created a contract.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"eth_sendTransaction","params":[{"from":"0xb60e8dd61c5d32be8058bb8eb970870f07233155","to":"0xd46e8dd67c5d32be8058bb8eb970870f07244567","gas":"0x76c0","gasPrice":"0x9184e72a000","value":"0x9184e72a","data":"0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"}],"id":1,"jsonrpc":"2.0"}'
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": "0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99d05921026d1527331"
}

eth_call

Creates new message call transaction or a contract creation, if the data field contains code.
Parameters
  1. 1.
    Object - The transaction call object
    • from: Address - 20 Bytes - The address the transaction is send from.
    • to: Address - (optional) 20 Bytes - The address the transaction is directed to.
    • gas: Quantity - (optional) Integer of the gas provided for the transaction execution. eth_call consumes zero gas, but this parameter may be needed by some executions.
    • gasPrice: Quantity - (optional) Integer of the gas price used for each paid gas.
    • value: Quantity - (optional) Integer of the value sent with this transaction.
    • data: Data - (optional) 4 byte hash of the method signature followed by encoded parameters. For details see Ethereum Contract ABI.
  2. 2.
    Quantity or Tag - (optional) Integer block number, or the string 'latest', 'earliest' or 'pending'.
params: [{
"from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
"to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
"value": "0x186a0" // 100000
}]
Returns
Data - the return value of executed contract.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"eth_call","params":[{"from":"0x407d73d8a49eeb85d32cf465507dd71d507100c1","to":"0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b","value":"0x186a0"}],"id":1,"jsonrpc":"2.0"}'
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": "0x"
}

eth_coinbase

Returns the client coinbase address.
Parameters
none
Returns
Data - 20 bytes - the current coinbase address.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"jsonrpc":"2.0","method":"eth_coinbase","params":[],"id":1}'
Response
{
"id":64,
"jsonrpc": "2.0",
"result": "0x407d73d8a49eeb85d32cf465507dd71d507100c1"
}

eth_gasPrice

Returns the current price per gas in wei.
Parameters
none
Returns
Quantity - integer of the current gas price in wei.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"eth_gasPrice","params":[],"id":1,"jsonrpc":"2.0"}'
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": "0x9184e72a000" // 10000000000000
}

eth_blockNumber

Returns the number of the most recent block.
Parameters
none
Returns
Quantity - integer of the current block number the client is on.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"eth_blockNumber","params":[],"id":1,"jsonrpc":"2.0"}'
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": "0x4b7" // 1207
}

eth_getStorageAt

Returns the value from a storage position at a given address.
Parameters
  1. 1.
    Address - 20 Bytes - address of the storage.
  2. 2.
    Quantity - integer of the position in the storage.
  3. 3.
    Quantity or Tag - (optional) integer block number, or the string 'latest', 'earliest' or 'pending'.
params: [
"0x407d73d8a49eeb85d32cf465507dd71d507100c1",
"0x0", // 0
"0x2" // 2
]
Returns
Data - the value at this storage position.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"eth_getStorageAt","params":["0x407d73d8a49eeb85d32cf465507dd71d507100c1","0x0","0x2"],"id":1,"jsonrpc":"2.0"}'
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": "0x0000000000000000000000000000000000000000000000000000000000000003"
}

eth_getBlockByHash

Returns information about a block by hash.
Parameters
  1. 1.
    Data - 32 Bytes - Hash of a block
  2. 2.
    Boolean - If true it returns the full transaction objects, if false only the hashes of the transactions.
params: [
'0xdc0818cf78f21a8e70579cb46a43643f78291264dda342ae31049421c82d21ae',
false
]
Returns
Object - A block object, or null when no block was found:
  • number: QUANTITY - the block number. null when its pending block.
  • hash: DATA, 32 Bytes - hash of the block. null when its pending block.
  • parentHash: DATA, 32 Bytes - hash of the parent block.
  • nonce: DATA, 8 Bytes - hash of the generated proof-of-work. null when its pending block.
  • sha3Uncles: DATA, 32 Bytes - SHA3 of the uncles data in the block.
  • logsBloom: DATA, 256 Bytes - the bloom filter for the logs of the block. null when its pending block.
  • transactionsRoot: DATA, 32 Bytes - the root of the transaction trie of the block.
  • stateRoot: DATA, 32 Bytes - the root of the final state trie of the block.
  • receiptsRoot: DATA, 32 Bytes - the root of the receipts trie of the block.
  • miner: DATA, 20 Bytes - the address of the beneficiary to whom the mining rewards were given.
  • difficulty: QUANTITY - integer of the difficulty for this block.
  • totalDifficulty: QUANTITY - integer of the total difficulty of the chain until this block.
  • extraData: DATA - the “extra data” field of this block.
  • size: QUANTITY - integer the size of this block in bytes.
  • gasLimit: QUANTITY - the maximum gas allowed in this block.
  • gasUsed: QUANTITY - the total used gas by all transactions in this block.
  • timestamp: QUANTITY - the unix timestamp for when the block was collated.
  • transactions: Array - Array of transaction objects, or 32 Bytes transaction hashes depending on the last given parameter.
  • uncles: Array - Array of uncle hashes.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"jsonrpc":"2.0","method":"eth_getBlockByHash","params":["0xdc0818cf78f21a8e70579cb46a43643f78291264dda342ae31049421c82d21ae", false],"id":1}'
Response
{
"jsonrpc": "2.0",
"id": 1,
"result": {
"difficulty": "0x4ea3f27bc",
"extraData": "0x476574682f4c5649562f76312e302e302f6c696e75782f676f312e342e32",
"gasLimit": "0x1388",
"gasUsed": "0x0",
"hash": "0xdc0818cf78f21a8e70579cb46a43643f78291264dda342ae31049421c82d21ae",
"logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"miner": "0xbb7b8287f3f0a933474a79eae42cbca977791171",
"mixHash": "0x4fffe9ae21f1c9e15207b1f472d5bbdd68c9595d461666602f2be20daf5e7843",
"nonce": "0x689056015818adbe",
"number": "0x1b4",
"parentHash": "0xe99e022112df268087ea7eafaf4790497fd21dbeeb6bd7a1721df161a6657a54",
"receiptsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
"size": "0x220",
"stateRoot": "0xddc8b0234c2e0cad087c8b389aa7ef01f7d79b2570bccb77ce48648aa61c904d",
"timestamp": "0x55ba467c",
"totalDifficulty": "0x78ed983323d",
"transactions": [
],
"transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"uncles": [
]
}
}

eth_getBlockByNumber

Returns information about a block by hash.
Parameters
  1. 1.
    Quantity or Tag - integer of a block number, or the string 'earliest', 'latest' or 'pending'.
  2. 2.
    Boolean - If true it returns the full transaction objects, if false only the hashes of the transactions.
params: [
"0x1b4", // 436
true
]
Returns
Object - A block object, or null when no block was found:
  • number: QUANTITY - the block number. null when its pending block.
  • hash: DATA, 32 Bytes - hash of the block. null when its pending block.
  • parentHash: DATA, 32 Bytes - hash of the parent block.
  • author: Address - 20 Bytes - alias of 'author'
  • miner: DATA, 20 Bytes - the address of the beneficiary to whom the mining rewards were given.
  • gasLimit: QUANTITY - the maximum gas allowed in this block.
  • gasUsed: QUANTITY - the total used gas by all transactions in this block.
  • timestamp: QUANTITY - the unix timestamp for when the block was collated.
  • transactions: Array - Array of transaction objects, or 32 Bytes transaction hashes depending on the last given parameter.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"eth_getBlockByNumber","params":["0x1b4",true],"id":1,"jsonrpc":"2.0"}'
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": {
"number": "0x1b4", // 436
"hash": "0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99d05921026d1527331",
"parentHash": "0x9646252be9520f6e71339a8df9c55e4d7619deeb018d2a3f2d21fc165dde5eb5",
"sealFields": [
"0xe04d296d2460cfb8472af2c5fd05b5a214109c25688d3704aed5484f9a7792f2",
"0x0000000000000042"
],
"sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
"logsBloom": "0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99d05921026d1527331",
"transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"stateRoot": "0xd5855eb08b3387c0af375e9cdb6acfc05eb8f519e419b874b6ff2ffda7ed1dff",
"miner": "0x4e65fda2159562a496f9f3522f89122a3088497a",
"difficulty": "0x27f07", // 163591
"totalDifficulty": "0x27f07", // 163591
"extraData": "0x0000000000000000000000000000000000000000000000000000000000000000",
"size": "0x27f07", // 163591
"gasLimit": "0x9f759", // 653145
"minGasPrice": "0x9f759", // 653145
"gasUsed": "0x9f759", // 653145
"timestamp": "0x54e34e8e", // 1424182926
"transactions": [{ ... }, { ... }, ...],
"uncles": [
"0x1606e5...",
"0xd5145a9..."
]
}
}

eth_getTransactionCount

Returns the number of transactions sent from an address.
Parameters
  1. 1.
    Address - 20 Bytes - address
  2. 2.
    Quantity or Tag - (optional) integer block number, or the string 'latest', 'earliest' or 'pending'.
params: ["0x407d73d8a49eeb85d32cf465507dd71d507100c1"]
Returns
Quantity - integer of the number of transactions send from this address.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"eth_getTransactionCount","params":["0x407d73d8a49eeb85d32cf465507dd71d507100c1"],"id":1,"jsonrpc":"2.0"}'
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": "0x1" // 1
}

eth_getBlockTransactionCountByHash

Returns the number of transactions in a block from a block matching the given block hash.
Parameters
  1. 1.
    Hash - 32 Bytes - hash of a block
params: ["0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238"]
Returns
Quantity - integer of the number of transactions in this block.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"eth_getBlockTransactionCountByHash","params":["0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238"],"id":1,"jsonrpc":"2.0"}'
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": "0xb" // 11
}

eth_getBlockTransactionCountByNumber

Returns the number of transactions in a block matching the given block number.
Parameters
  1. 1.
    Quantity or Tag - (optional) integer block number, or the string 'latest', 'earliest' or 'pending'.
params: [ '0xe8', // 232]
Returns
Quantity - integer of the number of transactions in this block.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"jsonrpc":"2.0","method":"eth_getBlockTransactionCountByNumber","params":["0xe8"],"id":1}'
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": "0xa" // 10
}

eth_getCode

Returns code at a given address
Parameters
  1. 1.
    Address - 20 bytes - address
  2. 2.
    Quantity or Tag - (optional) integer block number, or the string 'latest', 'earliest' or 'pending'.
params: [
'0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b',
'0x2' // 2
]
Returns
Data - the code from the given address.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"jsonrpc":"2.0","method":"eth_getCode","params":["0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b", "0x2"],"id":1}
Response
{
"id":1,
"jsonrpc": "2.0",
"result": "0x600160008035811a818181146012578301005b601b6001356025565b8060005260206000f25b600060078202905091905056"
}

eth_sendRawTransaction

Creates new message call transaction or a contract creation for signed transactions.
Parameters
  1. 1.
    Data - The signed transaction data.
params: ["0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"]
Returns
Hash - 32 bytes - the transaction hash, or the zero hash if the transaction is not yet available.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"eth_sendRawTransaction","params":["0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"],"id":1,"jsonrpc":"2.0"}'
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": "0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99d05921026d1527331"
}

eth_estimateGas

Makes a call or transaction, which won't be added to the blockchain and returns the used gas, which can be used for estimating the used gas.
Parameters
  1. 1.
    Object - Same as eth_call parameters, except that all properties are optional.
    • from: Address - (optional) 20 Bytes - The address the transaction is send from.
    • to: Address - (optional when creating new contract) 20 Bytes - The address the transaction is directed to.
    • gas: Quantity - (optional) Integer of the gas provided for the transaction execution. eth_call consumes zero gas, but this parameter may be needed by some executions.
    • gasPrice: Quantity - (optional) Integer of the gas price used for each paid gas.
    • value: Quantity - (optional) Integer of the value sent with this transaction.
    • data: Data - (optional) 4 byte hash of the method signature followed by encoded parameters. For details see Ethereum Contract ABI.
  2. 2.
    Quantity or Tag - (optional) Integer block number, or the string 'latest', 'earliest' or 'pending', see the default block parameter.
params: ["0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"]
Returns
Quantity - The amount of gas used.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"eth_estimateGas","params":[{ ... }],"id":1,"jsonrpc":"2.0"}'
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": "0x5208" // 21000
}

eth_getTransactionByHash

Returns the information about a transaction requested by transaction hash.
Parameters
  1. 1.
    Hash - 32 Bytes - hash of a transaction.
params: ["0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238"]
Returns
  1. 1.
    Object - A transaction object, or null when no transaction was found:
    • hash: Hash - 32 Bytes - hash of the transaction.
    • nonce: Quantity - the number of transactions made by the sender prior to this one.
    • blockHash: Hash - 32 Bytes - hash of the block where this transaction was in. null when its pending.
    • blockNumber: Quantity or Tag - block number where this transaction was in. null when its pending.
    • transactionIndex: Quantity - integer of the transactions index position in the block. null when its pending.
    • from: Address - 20 Bytes - address of the sender.
    • to: Address - 20 Bytes - address of the receiver. null when its a contract creation transaction.
    • value: Quantity - value transferred in Wei.
    • gasPrice: Quantity - gas price provided by the sender in Wei.
    • gas: Quantity - gas provided by the sender.
    • input: Data - the data send along with the transaction.
    • v: Quantity - the standardised V field of the signature.
    • standardV: Quantity - the standardised V field of the signature (0 or 1).
    • r: Quantity - the R field of the signature.
    • raw: Data - raw transaction data
    • publicKey: Hash - public key of the signer.
    • chainId: Quantity - the chain id of the transaction, if any.
    • creates: Hash - creates contract hash
    • condition: Object - (optional) conditional submission, Block number in block or timestamp in time or null.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"eth_getTransactionByHash","params":["0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238"],"id":1,"jsonrpc":"2.0"}'
Response
{
"id": 1,
"jsonrpc": "2.0",
"result": {
"hash": "0xc6ef2fc5426d6ad6fd9e2a26abeab0aa2411b7ab17f30a99d3cb96aed1d1055b",
"nonce": "0x0", // 0
"blockHash": "0xbeab0aa2411b7ab17f30a99d3cb9c6ef2fc5426d6ad6fd9e2a26a6aed1d1055b",
"blockNumber": "0x15df", // 5599
"transactionIndex": "0x1", // 1
"from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
"to": "0x853f43d8a49eeb85d32cf465507dd71d507100c1",
"value": "0x7f110", // 520464
"gas": "0x7f110", // 520464
"gasPrice": "0x09184e72a000",
"input": "0x603880600c6000396000f300603880600c6000396000f3603880600c6000396000f360"
}
}

eth_getTransactionByBlockHashAndIndex

Returns information about a transaction by block hash and transaction index position.
Parameters
  1. 1.
    Data - 32 bytes - hash of a block
  2. 2.
    Quantity - integer of the transaction index position
params: [
'0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99d05921026d1527331',
'0x0' // 0
]
Returns
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"jsonrpc":"2.0","method":"eth_getTransactionByBlockHashAndIndex","params":["0xc6ef2fc5426d6ad6fd9e2a26abeab0aa2411b7ab17f30a99d3cb96aed1d1055b", "0x0"],"id":1}'
Response See eth_getTransactionByHash

eth_getTransactionByBlockNumberAndIndex

Returns information about a transaction by block number and transaction index position.
Parameters
  1. 1.
    Quantity or Tag - a block number, or the string "earliest", "latest" or "pending".
  2. 2.
    Quantity - integer of the transaction index position
params: [
'0x29c', // 668
'0x0' // 0
]
Returns
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"jsonrpc":"2.0","method":"eth_getTransactionByBlockNumberAndIndex","params":["0x29c", "0x0"],"id":1}'
Response See eth_getTransactionByHash

eth_getTransactionReceipt

Returns the receipt of a transaction by transaction hash.
Parameters
  1. 1.
    Hash - hash of a transaction.
params: ["0x444172bef57ad978655171a8af2cfd89baa02a97fcb773067aef7794d6913374"]
Returns
  1. 1.
    Object - A transaction receipt object, or null when no receipt was found:
    • blockHash: Hash - 32 Bytes - hash of the block where this transaction was in.
    • blockNumber: Quantity or Tag - block number where this transaction was in.
    • contractAddress: Address - 20 Bytes - The contract address created, if the transaction was a contract creation, otherwise null.
    • cumulativeGasUsed: Quantity - The total amount of gas used when this transaction was executed in the block.
    • from: Address - 20 Bytes - The address of the sender.
    • to: Address - 20 Bytes - The address of the receiver. null when it’s a contract creation transaction.
    • gasUsed: Quantity - The amount of gas used by this specific transaction alone.
    • logs: Array - Array of log objects, which this transaction generated.
    • logsBloom: Hash - 256 Bytes - A bloom filter of logs/events generated by contracts during transaction execution. Used to efficiently rule out transactions without expected logs.
    • root: Hash - 32 Bytes - Merkle root of the state trie after the transaction has been executed (optional after Byzantium hard fork EIP609)
    • status: Quantity - 0x0 indicates transaction failure , 0x1 indicates transaction success. Set for blocks mined after Byzantium hard fork EIP609, null before.
    • transactionHash: Hash - 32 Bytes - hash of the transaction.
    • transactionIndex: Quantity - Integer of the transactions index position in the block.
Example
Request
curl localhost:8545 \
-X POST \
-H "Content-Type: application/json" \
--data '{"method":"eth_getTransactionReceipt","params":["0x444172bef57ad978655171a8af2cfd89baa02a97fcb773067aef7794d6913374"],"id":1,"jsonrpc":"2.0"}'