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Block API

ain_getRecentBlock

Returns the most recent block.

Parameters

None.

Returns

Object - The most recent block.

Example

// Request curl -X POST --data '{"jsonrpc":"2.0","id":1,"method":"ain_getRecentBlock"}' // Response { "jsonrpc":"2.0", "id":1, "result":{ "timestamp":1564845946382, "hash":"0x7a6c2a5a91ce3731310885eff761f7ee39484...", "parent_hash":"0xe670ec64341771606e55d6b4ca35a1a6b75...", "number":675, "proposer":"0x04aac78e17374fd075d1f11bfe95ef7d8e4ed812", "validators":[ "0x4e65fda2159562a496f9f3522f89122a3088497a", "0xd46e8dd67c5d32be8058bb8eb970870f07244567", "0xb60e8dd61c5d32be8058bb8eb970870f07233155" ], "size":163591, "transactions":[ { "hash":"0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99...", "address":"0xa7d9ddbe1f17865597fbd27ec712455208b6b76d", "signature":"0x1b5e176d927f8e9ab405058b2d2457392da3e20f3...", "timestamp":1566736760322, "nonce":-1, "parent_tx_hash":"0x88df016429689c079f3b2f6ad39fa052532c56...", "operation":{ ... } }, { "hash":"0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99...", "address":"0xa7d9ddbe1f17865597fbd27ec712455208b6b76d", "signature":"0x1ec191ef20b0e9628c4397665977cb...", "timestamp":1566736780022, "nonce":99, "operation":{ ... } }, ... ] } }

ain_getRecentBlockNumber

Returns the most recent block's block number.

Parameters

None.

Returns

Number - The most recent block's block number.

Example

// Request curl -X POST --data '{"jsonrpc":"2.0","id":1,"method":"ain_getRecentBlockNumber"}' // Response { "jsonrpc":"2.0", "id":1, "result":98347 }

ain_getBlockByNumber

Returns the block with the given block number.

Parameters

An object with properties:
  • number: Number - the block number
  • getFullTransactions: Boolean - if true, it returns full transaction objects; if false or undefined, it returns the transaction hashes only.

Returns

Object - A block object.

Example

// Request curl -X POST --data '{"jsonrpc":"2.0","id":1,"method":"ain_getBlockByNumber","params":{"number":675,"getFullTransactions":true}}' // Response { "jsonrpc":"2.0", "id":1, "result":{ "timestamp":1564845946382, "hash":"0x7a6c2a5a91ce3731310885eff761f7ee39484...", "parent_hash":"0xe670ec64341771606e55d6b4ca35a1a6b75...", "number":675, "proposer":"0x04aac78e17374fd075d1f11bfe95ef7d8e4ed812", "validators":[ "0x4e65fda2159562a496f9f3522f89122a3088497a", "0xd46e8dd67c5d32be8058bb8eb970870f07244567", "0xb60e8dd61c5d32be8058bb8eb970870f07233155" ], "size":163591, "transactions":[ { "hash":"0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99...", "address":"0xa7d9ddbe1f17865597fbd27ec712455208b6b76d", "signature":"0x1b5e176d927f8e9ab405058b2d2457392da3e20f3...", "timestamp":1566736760322, "nonce":-1, "parent_tx_hash":"0x88df016429689c079f3b2f6ad39fa052532c56...", "operation":{ ... } }, { "hash":"0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99...", "address":"0xa7d9ddbe1f17865597fbd27ec712455208b6b76d", "signature":"0x1ec191ef20b0e9628c4397665977cb...", "timestamp":1566736780022, "nonce":99, "operation":{ ... } }, ... ] } }

ain_getBlockByHash

Returns the block with the specified block hash.

Parameters

An object with properties:
  • hash: String - block hash
  • getFullTransactions: Boolean - if true, it returns full transaction objects; if false or undefined, it returns the transaction hashes only.

Returns

Object - The block.

Example

// Request curl -X POST --data '{ "jsonrpc":"2.0", "id":1, "method":"ain_getBlockByHash", "params":{"hash":"0x7a6c2a5a91ce3731310885eff761f7ee39484...", "getFullTransactions":true} }' // Response { "jsonrpc":"2.0", "id":1, "result":{ "timestamp":1564845946382, "hash":"0x7a6c2a5a91ce3731310885eff761f7ee39484...", "parent_hash":"0xe670ec64341771606e55d6b4ca35a1a6b75...", "number":67526, "proposer":"0x04aac78e17374fd075d1f11bfe95ef7d8e4ed81", "validators":[ "0x4e65fda2159562a496f9f3522f89122a3088497a", "0xd46e8dd67c5d32be8058bb8eb970870f07244567", "0xb60e8dd61c5d32be8058bb8eb970870f07233155" ], "size":163591, "transactions":[ { "hash":"0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99...", "address":"0xa7d9ddbe1f17865597fbd27ec712455208b6b76d", "signature":"0x1b5e176d927f8e9ab405058b2d2457392da3e20f3...", "timestamp":1566736760322, "nonce":-1 "parent_tx_hash":"0x88df016429689c079f3b2f6ad39fa052532c56...", "operation":{ ... } }, { "hash":"0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99...", "address":"0xa7d9ddbe1f17865597fbd27ec712455208b6b76d", "signature":"0x1ec191ef20b0e9628c4397665977cb...", "timestamp":1566736760400, "nonce":99, "operation":{ ... } }, ... ] } }

ain_getBlocks

Returns a list of blocks that have a block number between "from" block number and "to" block number.

Parameters

An object with properties:
  • from: Number - the block number of the starting block
  • to: Number - the block number of the last block to get

Returns

Array - The list of blocks.

Example

// Request curl -X POST --data '{ "jsonrpc":"2.0", "id":1, "method":"ain_getBlocks", "params":{"from":0,"to":100} }' // Response { "jsonrpc":"2.0", "id":1, "result": [ { "timestamp":1564845946382, "hash":"0x7a6c2a5a91ce3731310885eff761f7ee39484...", "parent_hash":"", "number":0, "proposer":"0x04aac78e17374fd075d1f11bfe95ef7d8e4ed81", "validators":[ "0x4e65fda2159562a496f9f3522f89122a3088497a", "0xd46e8dd67c5d32be8058bb8eb970870f07244567", "0xb60e8dd61c5d32be8058bb8eb970870f07233155" ], "size":163591, "transactions":[ { "hash":"0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99...", "address":"0xa7d9ddbe1f17865597fbd27ec712455208b6b76d", "signature":"0x1b5e176d927f8e9ab405058b2d2457392da3e20f3...", "timestamp":1566736760322, "nonce":-1 "parent_tx_hash":"0x88df016429689c079f3b2f6ad39fa052532c56...", "operation":{ ... } }, { "hash":"0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99...", "address":"0xa7d9ddbe1f17865597fbd27ec712455208b6b76d", "signature":"0x1ec191ef20b0e9628c4397665977cb...", "timestamp":1566736760400, "nonce":99, "operation":{ ... } }, ... ] }, ... ] }

ain_getBlockHeaders

Returns a list of block headers that have a block number between "from" block number and "to" block number.

Parameters

An object with properties:
  • from: Number - the block number of the starting block
  • to: Number - the block number of the last block to get

Returns

Array - The list of block headers.

Example

// Request curl -X POST --data '{ "jsonrpc":"2.0", "id":1, "method":"ain_getBlockHeaders", "params":{"from":0,"to":100} }' // Response { "jsonrpc":"2.0", "id":1, "result": [ { "timestamp":1564845946382, "hash":"0x7a6c2a5a91ce3731310885eff761f7ee39484...", "parent_hash":"", "number":0, "proposer":"0x04aac78e17374fd075d1f11bfe95ef7d8e4ed81", "validators":[ "0x4e65fda2159562a496f9f3522f89122a3088497a", "0xd46e8dd67c5d32be8058bb8eb970870f07244567", "0xb60e8dd61c5d32be8058bb8eb970870f07233155" ], "size":163591, }, ... ] }

ain_getBlockTransactionCountByNumber

Returns the number of transactions in the block with the specified block number.

Parameters

An object with a property:
  • number: Number - block number

Returns

Number - Number of transactions in the block.

Example

// Request curl -X POST --data '{ "jsonrpc":"2.0", "id":1, "method":"ain_getBlockTransactionCountByNumber", "params":{"number":"123"} }' // Response { "jsonrpc":"2.0", "id":1, "result":11 }

ain_getBlockTransactionCountByHash

Returns the number of transactions in the block with the specified block hash.

Parameters

An object with a property:
  • hash: String - block hash

Returns

Number - Number of transactions

Example

// Request curl -X POST --data '{ "jsonrpc":"2.0", "id":1, "method":"ain_getBlockTransactionCountByNumber", "params":{"hash":"0x7a6c2a5a91ce3731310885eff761f7ee39484..."} }' // Response { "jsonrpc":"2.0", "id":1, "result":11 }

ain_getProposerByHash

Returns the proposer who produced the block with the given block hash.

Parameters

An object with a property:
  • hash: String - block hash

Returns

String - The address of the proposer.

Example

// Request curl -X POST --data '{ "jsonrpc":"2.0", "id":1, "method":"ain_getProposerByHash", "params":{"hash":"0x7a6c2a5a91ce3731310885eff761f7ee39484..."} }' // Response { "jsonrpc":"2.0", "id":1, "result":"0x04aac78e17374fd075d1f11bfe95ef7d8e4ed81" }

ain_getProposerByNumber

Returns the proposer who produced the block with the given block number.

Parameters

An object with a property:
  • number: Number - block number

Returns

String - The proposer's address.

Example

// Request curl -X POST --data '{ "jsonrpc":"2.0", "id":1, "method":"ain_getProposerByNumber", "params":{"number":456} }' // Response { "jsonrpc":"2.0", "id":1, "result":"0x04aac78e17374fd075d1f11bfe95ef7d8e4ed81" }

ain_getValidatorsByHash

Returns the validators who validated the block.

Parameters

An object with a property:
  • hash: String - block hash

Returns

Array - The list of validators.

Example

// Request curl -X POST --data '{ "jsonrpc":"2.0", "id":1, "method":"ain_getValidatorsByHash", "params":{"hash":"0x7a6c2a5a91ce3731310885eff761f7ee39484..."} }' // Response { "jsonrpc":"2.0", "id":1, "result":[ "0x4e65fda2159562a496f9f3522f89122a3088497a", "0xd46e8dd67c5d32be8058bb8eb970870f07244567", "0xb60e8dd61c5d32be8058bb8eb970870f07233155" ] }

ain_getValidatorsByNumber

Returns the validators who validated the block.

Parameters

An object with a property:
  • number: Number - block number

Returns

Array - The list of validators.

Example

// Request curl -X POST --data '{ "jsonrpc":"2.0", "id":1, "method":"ain_getValidatorsByNumber", "params":{"number":2143} }' // Response { "jsonrpc":"2.0", "id":1, "result":[ "0x4e65fda2159562a496f9f3522f89122a3088497a", "0xd46e8dd67c5d32be8058bb8eb970870f07244567", "0xb60e8dd61c5d32be8058bb8eb970870f07233155" ] }