openethereum/js/src/jsonrpc/interfaces/eth.js

// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.

// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Parity.  If not, see <http://www.gnu.org/licenses/>.

import { Address, BlockNumber, Data, Hash, Quantity } from '../types';

export default {
  accounts: {
    desc: 'Returns a list of addresses owned by client.',
    params: [],
    returns: {
      type: Array,
      desc: '20 Bytes - addresses owned by the client'
    }
  },

  blockNumber: {
    desc: 'Returns the number of most recent block.',
    params: [],
    returns: {
      type: Quantity,
      desc: 'integer of the current block number the client is on'
    }
  },

  call: {
    desc: 'Executes a new message call immediately without creating a transaction on the block chain.',
    params: [
      {
        type: Object,
        desc: 'The transaction call object',
        format: 'inputCallFormatter',
        details: {
          from: {
            type: Address,
            desc: '20 Bytes - The address the transaction is send from',
            optional: true
          },
          to: {
            type: Address,
            desc: '20 Bytes  - The address the transaction is directed to'
          },
          gas: {
            type: Quantity,
            desc: 'Integer of the gas provided for the transaction execution. eth_call consumes zero gas, but this parameter may be needed by some executions',
            optional: true
          },
          gasPrice: {
            type: Quantity,
            desc: 'Integer of the gasPrice used for each paid gas',
            optional: true
          },
          value: {
            type: Quantity,
            desc: 'Integer of the value send with this transaction',
            optional: true
          },
          data: {
            type: Data,
            desc: 'Hash of the method signature and encoded parameters. For details see [Ethereum Contract ABI](https://github.com/ethereum/wiki/wiki/Ethereum-Contract-ABI)',
            optional: true
          }
        }
      },
      {
        type: BlockNumber,
        desc: 'integer block number, or the string `\'latest\'`, `\'earliest\'` or `\'pending\'`, see the [default block parameter](#the-default-block-parameter)',
        format: 'inputDefaultBlockNumberFormatter'
      }
    ],
    returns: {
      type: Data,
      desc: 'the return value of executed contract'
    }
  },

  checkRequest: {
    desc: 'Returns the transactionhash of the requestId (received from eth_postTransaction) if the request was confirmed',
    params: [
      {
        type: Quantity,
        desc: 'The requestId to check for'
      }
    ],
    returns: {
      type: Hash,
      desc: '32 Bytes - the transaction hash, or the zero hash if the transaction is not yet available'
    }
  },

  coinbase: {
    desc: 'Returns the client coinbase address.',
    params: [],
    returns: {
      type: Address,
      desc: 'The current coinbase address'
    }
  },

  compileSerpent: {
    desc: 'Returns compiled serpent code.',
    params: [
      {
        type: String,
        desc: 'The source code'
      }
    ],
    returns: {
      type: Data,
      desc: 'The compiled source code'
    }
  },

  compileSolidity: {
    desc: 'Returns compiled solidity code.',
    params: [
      {
        type: String,
        desc: 'The source code'
      }
    ],
    returns: {
      type: Data,
      desc: 'The compiled source code'
    }
  },

  compileLLL: {
    desc: 'Returns compiled LLL code.',
    params: [
      {
        type: String,
        desc: 'The source code'
      }
    ],
    returns: {
      type: Data,
      desc: 'The compiled source code'
    }
  },

  estimateGas: {
    desc: '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.',
    params: [
      {
        type: Object,
        desc: 'see [eth_sendTransaction](#eth_sendTransaction)',
        format: 'inputCallFormatter'
      }
    ],
    returns: {
      type: Quantity,
      desc: 'The amount of gas used',
      format: 'utils.toDecimal'
    }
  },

  fetchQueuedTransactions: {
    desc: '?',
    params: [
      '?'
    ],
    returns: {
      type: Boolean,
      desc: 'whether the call was successful'
    }
  },

  flush: {
    desc: '?',
    params: [],
    returns: {
      type: Boolean,
      desc: 'whether the call was successful'
    }
  },

  gasPrice: {
    desc: 'Returns the current price per gas in wei.',
    params: [],
    returns: {
      type: Quantity,
      desc: 'integer of the current gas price in wei'
    }
  },

  getBalance: {
    desc: 'Returns the balance of the account of given address.',
    params: [
      {
        type: Address,
        desc: '20 Bytes - address to check for balance',
        format: 'inputAddressFormatter'
      },
      {
        type: BlockNumber,
        desc: 'integer block number, or the string `\'latest\'`, `\'earliest\'` or `\'pending\'`, see the [default block parameter](#the-default-block-parameter)',
        format: 'inputDefaultBlockNumberFormatter'
      }
    ],
    returns: {
      type: Quantity,
      desc: 'integer of the current balance in wei',
      format: 'outputBigNumberFormatter'
    }
  },

  getBlockByHash: {
    desc: 'Returns information about a block by hash.',
    params: [
      {
        type: Hash,
        desc: 'Hash of a block'
      },
      {
        type: Boolean,
        desc: 'If `true` it returns the full transaction objects, if `false` only the hashes of the transactions'
      }
    ],
    returns: {
      type: Object,
      desc: 'A block object, or `null` when no block was found',
      details: {
        number: {
          type: Quantity,
          desc: 'The block number. `null` when its pending block'
        },
        hash: {
          type: Hash,
          desc: '32 Bytes - hash of the block. `null` when its pending block'
        },
        parentHash: {
          type: Hash,
          desc: '32 Bytes - hash of the parent block'
        },
        nonce: {
          type: Data,
          desc: '8 Bytes - hash of the generated proof-of-work. `null` when its pending block'
        },
        sha3Uncles: {
          type: Data,
          desc: '32 Bytes - SHA3 of the uncles data in the block'
        },
        logsBloom: {
          type: Data,
          desc: '256 Bytes - the bloom filter for the logs of the block. `null` when its pending block'
        },
        transactionsRoot: {
          type: Data,
          desc: '32 Bytes - the root of the transaction trie of the block'
        },
        stateRoot: {
          type: Data,
          desc: '32 Bytes - the root of the final state trie of the block'
        },
        receiptsRoot: {
          type: Data, desc: '32 Bytes - the root of the receipts trie of the block'
        },
        miner: {
          type: Address,
          desc: '20 Bytes - the address of the beneficiary to whom the mining rewards were given'
        },
        difficulty: {
          type: Quantity,
          desc: 'integer of the difficulty for this block'
        },
        totalDifficulty: {
          type: Quantity,
          desc: 'integer of the total difficulty of the chain until this block'
        },
        extraData: {
          type: Data,
          desc: 'the \'extra data\' field of this block'
        },
        size: {
          type: Quantity,
          desc: 'integer the size of this block in bytes'
        },
        gasLimit: {
          type: Quantity,
          desc: 'the maximum gas allowed in this block'
        },
        gasUsed: {
          type: Quantity,
          desc: 'the total used gas by all transactions in this block'
        },
        timestamp: {
          type: Quantity,
          desc: 'the unix timestamp for when the block was collated'
        },
        transactions: {
          type: Array,
          desc: 'Array of transaction objects, or 32 Bytes transaction hashes depending on the last given parameter'
        },
        uncles: {
          type: Array,
          desc: 'Array of uncle hashes'
        }
      }
    }
  },

  getBlockByNumber: {
    desc: 'Returns information about a block by block number.',
    params: [
      {
        type: BlockNumber,
        desc: 'integer of a block number, or the string `\'earliest\'`, `\'latest\'` or `\'pending\'`, as in the [default block parameter](#the-default-block-parameter)'
      },
      {
        type: Boolean,
        desc: 'If `true` it returns the full transaction objects, if `false` only the hashes of the transactions'
      }
    ],
    returns: 'See [eth_getBlockByHash](#eth_getblockbyhash)'
  },

  getBlockTransactionCountByHash: {
    desc: 'Returns the number of transactions in a block from a block matching the given block hash.',
    params: [
      {
        type: Hash,
        desc: '32 Bytes - hash of a block'
      }
    ],
    returns: {
      type: Quantity,
      desc: 'integer of the number of transactions in this block'
    }
  },

  getBlockTransactionCountByNumber: {
    desc: 'Returns the number of transactions in a block from a block matching the given block number.',
    params: [
      {
        type: BlockNumber,
        desc: 'integer of a block number, or the string `\'earliest\'`, `\'latest\'` or `\'pending\'`, as in the [default block parameter](#the-default-block-parameter)'
      }
    ],
    returns: {
      type: Quantity,
      desc: 'integer of the number of transactions in this block'
    }
  },

  getCode: {
    desc: 'Returns code at a given address.',
    params: [
      {
        type: Address,
        desc: '20 Bytes - address',
        format: 'inputAddressFormatter'
      },
      {
        type: BlockNumber,
        desc: 'integer block number, or the string `\'latest\'`, `\'earliest\'` or `\'pending\'`, see the [default block parameter](#the-default-block-parameter)',
        format: 'inputDefaultBlockNumberFormatter'
      }
    ],
    returns: {
      type: Data,
      desc: 'the code from the given address'
    }
  },

  getCompilers: {
    desc: 'Returns a list of available compilers in the client.',
    params: [],
    returns: {
      type: Array,
      desc: 'Array of available compilers'
    }
  },

  getFilterChanges: {
    desc: 'Polling method for a filter, which returns an array of logs which occurred since last poll.',
    params: [
      {
        type: Quantity,
        desc: 'The filter id'
      }
    ],
    returns: {
      type: Array,
      desc: 'Array of log objects, or an empty array if nothing has changed since last poll'
    }
  },

  getFilterChangesEx: {
    desc: '?',
    params: [
      '?'
    ],
    returns: {
      type: Boolean,
      desc: 'whether the call was successful'
    }
  },

  getFilterLogs: {
    desc: 'Returns an array of all logs matching filter with given id.',
    params: [
      {
        type: Quantity,
        desc: 'The filter id'
      }
    ],
    returns: 'See [eth_getFilterChanges](#eth_getfilterchanges)'
  },

  getFilterLogsEx: {
    desc: '?',
    params: [
      '?'
    ],
    returns: {
      type: Boolean,
      desc: 'whether the call was successful'
    }
  },

  getLogs: {
    desc: 'Returns an array of all logs matching a given filter object.',
    params: [
      {
        type: Object,
        desc: 'The filter object, see [eth_newFilter parameters](#eth_newfilter)'
      }
    ],
    returns: 'See [eth_getFilterChanges](#eth_getfilterchanges)'
  },

  getLogsEx: {
    desc: '?',
    params: [
      '?'
    ],
    returns: {
      type: Boolean,
      desc: 'whether the call was successful'
    }
  },

  getStorageAt: {
    desc: 'Returns the value from a storage position at a given address.',
    params: [
      {
        type: Address,
        desc: '20 Bytes - address of the storage'
      },
      {
        type: Quantity,
        desc: 'integer of the position in the storage',
        format: 'utils.toHex'
      },
      {
        type: BlockNumber,
        desc: 'integer block number, or the string `\'latest\'`, `\'earliest\'` or `\'pending\'`, see the [default block parameter](#the-default-block-parameter)',
        format: 'inputDefaultBlockNumberFormatter'
      }
    ],
    returns: {
      type: Data,
      desc: 'the value at this storage position'
    }
  },

  getTransactionByHash: {
    desc: 'Returns the information about a transaction requested by transaction hash.',
    params: [
      {
        type: Hash,
        desc: '32 Bytes - hash of a transaction'
      }
    ],
    returns: {
      type: Object,
      desc: 'A transaction object, or `null` when no transaction was found:',
      format: 'outputTransactionFormatter',
      details: {
        hash: {
          type: Hash,
          desc: '32 Bytes - hash of the transaction.'
        },
        nonce: {
          type: Quantity,
          desc: 'the number of transactions made by the sender prior to this one.'
        },
        blockHash: {
          type: Hash,
          desc: '32 Bytes - hash of the block where this transaction was in. `null` when its pending.'
        },
        blockNumber: {
          type: BlockNumber,
          desc: 'block number where this transaction was in. `null` when its pending.'
        },
        transactionIndex: {
          type: Quantity,
          desc: 'integer of the transactions index position in the block. `null` when its pending.'
        },
        from: {
          type: Address,
          desc: '20 Bytes - address of the sender.'
        },
        to: {
          type: Address,
          desc: '20 Bytes - address of the receiver. `null` when its a contract creation transaction.'
        },
        value: {
          type: Quantity,
          desc: 'value transferred in Wei.'
        },
        gasPrice: {
          type: Quantity,
          desc: 'gas price provided by the sender in Wei.'
        },
        gas: {
          type: Quantity,
          desc: 'gas provided by the sender.'
        },
        input: {
          type: Data,
          desc: 'the data send along with the transaction.'
        }
      }
    }
  },

  getTransactionByBlockHashAndIndex: {
    desc: 'Returns information about a transaction by block hash and transaction index position.',
    params: [
      {
        type: Hash,
        desc: 'hash of a block'
      },
      {
        type: Quantity,
        desc: 'integer of the transaction index position'
      }
    ],
    returns: 'See [eth_getBlockByHash](#eth_gettransactionbyhash)'
  },

  getTransactionByBlockNumberAndIndex: {
    desc: 'Returns information about a transaction by block number and transaction index position.',
    params: [
      {
        type: BlockNumber,
        desc: 'a block number, or the string `\'earliest\'`, `\'latest\'` or `\'pending\'`, as in the [default block parameter](#the-default-block-parameter)'
      },
      {
        type: Quantity,
        desc: 'The transaction index position'
      }
    ],
    returns: 'See [eth_getBlockByHash](#eth_gettransactionbyhash)'
  },

  getTransactionCount: {
    desc: 'Returns the number of transactions *sent* from an address.',
    params: [
      {
        type: Address,
        desc: '20 Bytes - address'
      },
      {
        type: BlockNumber,
        desc: 'integer block number, or the string `\'latest\'`, `\'earliest\'` or `\'pending\'`, see the [default block parameter](#the-default-block-parameter)',
        format: 'inputDefaultBlockNumberFormatter'
      }
    ],
    returns: {
      type: Quantity,
      desc: 'integer of the number of transactions send from this address',
      format: 'utils.toDecimal'
    }
  },

  getTransactionReceipt: {
    desc: 'Returns the receipt of a transaction by transaction hash.\n**Note** That the receipt is not available for pending transactions.',
    params: [
      {
        type: Hash,
        desc: 'hash of a transaction'
      }
    ],
    returns: {
      type: Object,
      desc: 'A transaction receipt object, or `null` when no receipt was found:',
      format: 'outputTransactionReceiptFormatter',
      details: {
        transactionHash: {
          type: Hash,
          desc: '32 Bytes - hash of the transaction.'
        },
        transactionIndex: {
          type: Quantity,
          desc: 'integer of the transactions index position in the block.'
        },
        blockHash: {
          type: Hash,
          desc: '32 Bytes - hash of the block where this transaction was in.'
        },
        blockNumber: {
          type: BlockNumber,
          desc: 'block number where this transaction was in.'
        },
        cumulativeGasUsed: {
          type: Quantity,
          desc: 'The total amount of gas used when this transaction was executed in the block.'
        },
        gasUsed: {
          type: Quantity,
          desc: 'The amount of gas used by this specific transaction alone.'
        },
        contractAddress: {
          type: Address,
          desc: '20 Bytes - The contract address created, if the transaction was a contract creation, otherwise `null`.'
        },
        logs: {
          type: Array,
          desc: 'Array of log objects, which this transaction generated.'
        }
      }
    }
  },

  getUncleByBlockHashAndIndex: {
    desc: 'Returns information about a uncle of a block by hash and uncle index position.',
    params: [
      {
        type: Hash,
        desc: 'Hash a block'
      },
      {
        type: Quantity,
        desc: 'The uncle\'s index position'
      }
    ],
    returns: 'See [eth_getBlockByHash](#eth_getblockbyhash)'
  },

  getUncleByBlockNumberAndIndex: {
    desc: 'Returns information about a uncle of a block by number and uncle index position.',
    params: [
      {
        type: BlockNumber,
        desc: 'a block number, or the string `\'earliest\'`, `\'latest\'` or `\'pending\'`, as in the [default block parameter](#the-default-block-parameter)'
      },
      {
        type: Quantity,
        desc: 'The uncle\'s index position'
      }
    ],
    returns: 'See [eth_getBlockByHash](#eth_getblockbyhash)'
  },

  getUncleCountByBlockHash: {
    desc: 'Returns the number of uncles in a block from a block matching the given block hash.',
    params: [
      {
        type: Hash,
        desc: '32 Bytes - hash of a block'
      }
    ],
    returns: {
      type: Quantity,
      desc: 'integer of the number of uncles in this block'
    }
  },

  getUncleCountByBlockNumber: {
    desc: 'Returns the number of uncles in a block from a block matching the given block number.',
    params: [
      {
        type: BlockNumber,
        desc: 'integer of a block number, or the string \'latest\', \'earliest\' or \'pending\', see the [default block parameter](#the-default-block-parameter)'
      }
    ],
    returns: {
      type: Quantity,
      desc: 'integer of the number of uncles in this block'
    }
  },

  getWork: {
    desc: 'Returns the hash of the current block, the seedHash, and the boundary condition to be met (\'target\').',
    params: [],
    returns: {
      type: Array,
      desc: 'Array with the following properties:'
    }
  },

  hashrate: {
    desc: 'Returns the number of hashes per second that the node is mining with.',
    params: [],
    returns: {
      type: Quantity,
      desc: 'number of hashes per second'
    }
  },

  inspectTransaction: {
    desc: '?',
    params: [
      '?'
    ],
    returns: {
      type: Boolean,
      desc: 'whether the call was successful'
    }
  },

  mining: {
    desc: 'Returns `true` if client is actively mining new blocks.',
    params: [],
    returns: {
      type: Boolean,
      desc: '`true` of the client is mining, otherwise `false`'
    }
  },

  newBlockFilter: {
    desc: 'Creates a filter in the node, to notify when a new block arrives.\nTo check if the state has changed, call [eth_getFilterChanges](#eth_getfilterchanges).',
    params: [],
    returns: {
      type: Quantity,
      desc: 'A filter id'
    }
  },

  newFilter: {
    desc: 'Creates a filter object, based on filter options, to notify when the state changes (logs).\nTo check if the state has changed, call [eth_getFilterChanges](#eth_getfilterchanges).',
    params: [{
      type: Object,
      desc: 'The filter options:',
      details: {
        fromBlock: {
          type: BlockNumber,
          desc: 'Integer block number, or `\'latest\'` for the last mined block or `\'pending\'`, `\'earliest\'` for not yet mined transactions.',
          optional: true,
          default: 'latest'
        },
        toBlock: {
          type: BlockNumber,
          desc: 'Integer block number, or `\'latest\'` for the last mined block or `\'pending\'`, `\'earliest\'` for not yet mined transactions.',
          optional: true,
          default: 'latest'
        },
        address: {
          type: Address,
          desc: '20 Bytes - Contract address or a list of addresses from which logs should originate.',
          optional: true
        },
        topics: {
          type: Array,
          desc: 'Array of 32 Bytes `DATA` topics. Topics are order-dependent. Each topic can also be an array of DATA with \'or\' options.',
          optional: true
        },
        limit: {
          type: Number,
          desc: 'The maximum number of entries to retrieve (latest first)',
          optional: true
        }
      }
    }],
    returns: {
      type: Quantity,
      desc: 'The filter id'
    }
  },

  newFilterEx: {
    desc: '?',
    params: [
      '?'
    ],
    returns: {
      type: Boolean,
      desc: 'whether the call was successful'
    }
  },

  newPendingTransactionFilter: {
    desc: 'Creates a filter in the node, to notify when new pending transactions arrive.\nTo check if the state has changed, call [eth_getFilterChanges](#eth_getfilterchanges).',
    params: [],
    returns: {
      type: Quantity,
      desc: 'A filter id'
    }
  },

  notePassword: {
    desc: '?',
    params: [
      '?'
    ],
    returns: {
      type: Boolean,
      desc: 'whether the call was successful'
    }
  },

  pendingTransactions: {
    desc: '?',
    params: [],
    returns: {
      type: Boolean,
      desc: 'whether the call was successful'
    }
  },

  postTransaction: {
    desc: 'Posts a transaction to the Signer.',
    params: [
      {
        type: Object,
        desc: 'see [eth_sendTransaction](#eth_sendTransaction)',
        format: 'inputCallFormatter'
      }
    ],
    returns: {
      type: Quantity,
      desc: 'The id of the actual transaction',
      format: 'utils.toDecimal'
    }
  },

  protocolVersion: {
    desc: 'Returns the current ethereum protocol version.',
    params: [],
    returns: {
      type: String,
      desc: 'The current ethereum protocol version'
    }
  },

  register: {
    desc: '?',
    params: [
      '?'
    ],
    returns: {
      type: Boolean,
      desc: 'whether the call was successful'
    }
  },

  sendRawTransaction: {
    desc: 'Creates new message call transaction or a contract creation for signed transactions.',
    params: [
      {
        type: Data,
        desc: 'The signed transaction data'
      }
    ],
    returns: {
      type: Hash,
      desc: '32 Bytes - the transaction hash, or the zero hash if the transaction is not yet available'
    }
  },

  sendTransaction: {
    desc: 'Creates new message call transaction or a contract creation, if the data field contains code.',
    params: [
      {
        type: Object, desc: 'The transaction object',
        format: 'inputTransactionFormatter',
        details: {
          from: {
            type: Address,
            desc: '20 Bytes - The address the transaction is send from'
          },
          to: {
            type: Address,
            desc: '20 Bytes - (optional when creating new contract) The address the transaction is directed to'
          },
          gas: {
            type: Quantity,
            desc: 'Integer of the gas provided for the transaction execution. It will return unused gas.',
            optional: true,
            default: 90000
          },
          gasPrice: {
            type: Quantity,
            desc: 'Integer of the gasPrice used for each paid gas',
            optional: true,
            default: 'To-Be-Determined'
          },
          value: {
            type: Quantity,
            desc: 'Integer of the value send with this transaction',
            optional: true
          },
          data: {
            type: Data,
            desc: 'The compiled code of a contract OR the hash of the invoked method signature and encoded parameters. For details see [Ethereum Contract ABI](https://github.com/ethereum/wiki/wiki/Ethereum-Contract-ABI)'
          },
          nonce: {
            type: Quantity,
            desc: 'Integer of a nonce. This allows to overwrite your own pending transactions that use the same nonce.',
            optional: true
          }
        }
      }
    ],
    returns: {
      type: Hash,
      desc: '32 Bytes - the transaction hash, or the zero hash if the transaction is not yet available'
    }
  },

  sign: {
    desc: 'Signs data with a given address.\n**Note** the address to sign must be unlocked.',
    params: [
      {
        type: Address,
        desc: '20 Bytes - address',
        format: 'inputAddressFormatter'
      },
      {
        type: Data,
        desc: 'Data to sign'
      }
    ],
    returns: {
      type: Data,
      desc: 'Signed data'
    }
  },

  signTransaction: {
    desc: '?',
    params: [
      '?'
    ],
    returns: {
      type: Boolean,
      desc: 'whether the call was successful'
    }
  },

  submitWork: {
    desc: 'Used for submitting a proof-of-work solution.',
    params: [
      {
        type: Data,
        desc: '8 Bytes - The nonce found (64 bits)'
      },
      {
        type: Data,
        desc: '32 Bytes - The header\'s pow-hash (256 bits)'
      },
      {
        type: Data,
        desc: '32 Bytes - The mix digest (256 bits)'
      }
    ],
    returns: {
      type: Boolean,
      desc: '`true` if the provided solution is valid, otherwise `false`'
    }
  },

  submitHashrate: {
    desc: 'Used for submitting mining hashrate.',
    params: [
      {
        type: Data,
        desc: 'a hexadecimal string representation (32 bytes) of the hash rate'
      },
      {
        type: String,
        desc: 'A random hexadecimal(32 bytes) ID identifying the client'
      }
    ],
    returns: {
      type: Boolean,
      desc: '`true` if submitting went through succesfully and `false` otherwise'
    }
  },

  syncing: {
    desc: 'Returns an object with data about the sync status or `false`.',
    params: [],
    returns: {
      type: Object,
      desc: 'An object with sync status data or `FALSE`, when not syncing',
      format: 'outputSyncingFormatter',
      details: {
        startingBlock: {
          type: Quantity,
          desc: 'The block at which the import started (will only be reset, after the sync reached his head)'
        },
        currentBlock: {
          type: Quantity,
          desc: 'The current block, same as eth_blockNumber'
        },
        highestBlock: {
          type: Quantity,
          desc: 'The estimated highest block'
        }
      }
    }
  },

  uninstallFilter: {
    desc: 'Uninstalls a filter with given id. Should always be called when watch is no longer needed.\nAdditonally Filters timeout when they aren\'t requested with [eth_getFilterChanges](#eth_getfilterchanges) for a period of time.',
    params: [
      {
        type: Quantity,
        desc: 'The filter id'
      }
    ],
    returns: {
      type: Boolean,
      desc: '`true` if the filter was successfully uninstalled, otherwise `false`'
    }
  },

  unregister: {
    desc: '?',
    params: [
      '?'
    ],
    returns: {
      type: Boolean,
      desc: 'whether the call was successful'
    }
  }
};