241 lines
10 KiB
Rust
241 lines
10 KiB
Rust
// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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//! Eth rpc interface.
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use std::sync::Arc;
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use jsonrpc_core::*;
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/// Eth rpc interface.
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pub trait Eth: Sized + Send + Sync + 'static {
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/// Returns protocol version.
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fn protocol_version(&self, _: Params) -> Result<Value, Error>;
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/// Returns an object with data about the sync status or false. (wtf?)
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fn syncing(&self, _: Params) -> Result<Value, Error>;
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/// Returns the number of hashes per second that the node is mining with.
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fn hashrate(&self, _: Params) -> Result<Value, Error>;
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/// Returns block author.
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fn author(&self, _: Params) -> Result<Value, Error>;
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/// Returns true if client is actively mining new blocks.
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fn is_mining(&self, _: Params) -> Result<Value, Error>;
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/// Returns current gas_price.
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fn gas_price(&self, _: Params) -> Result<Value, Error>;
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/// Returns accounts list.
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fn accounts(&self, _: Params) -> Result<Value, Error>;
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/// Returns highest block number.
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fn block_number(&self, _: Params) -> Result<Value, Error>;
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/// Returns balance of the given account.
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fn balance(&self, _: Params) -> Result<Value, Error>;
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/// Returns content of the storage at given address.
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fn storage_at(&self, _: Params) -> Result<Value, Error>;
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/// Returns block with given hash.
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fn block_by_hash(&self, _: Params) -> Result<Value, Error>;
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/// Returns block with given number.
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fn block_by_number(&self, _: Params) -> Result<Value, Error>;
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/// Returns the number of transactions sent from given address at given time (block number).
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fn transaction_count(&self, _: Params) -> Result<Value, Error>;
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/// Returns the number of transactions in a block with given hash.
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fn block_transaction_count_by_hash(&self, _: Params) -> Result<Value, Error>;
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/// Returns the number of transactions in a block with given block number.
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fn block_transaction_count_by_number(&self, _: Params) -> Result<Value, Error>;
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/// Returns the number of uncles in a block with given hash.
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fn block_uncles_count_by_hash(&self, _: Params) -> Result<Value, Error>;
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/// Returns the number of uncles in a block with given block number.
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fn block_uncles_count_by_number(&self, _: Params) -> Result<Value, Error>;
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/// Returns the code at given address at given time (block number).
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fn code_at(&self, _: Params) -> Result<Value, Error>;
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/// Sends signed transaction.
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fn send_raw_transaction(&self, _: Params) -> Result<Value, Error>;
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/// Call contract.
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fn call(&self, _: Params) -> Result<Value, Error>;
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/// Estimate gas needed for execution of given contract.
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fn estimate_gas(&self, _: Params) -> Result<Value, Error>;
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/// Get transaction by its hash.
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fn transaction_by_hash(&self, _: Params) -> Result<Value, Error>;
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/// Returns transaction at given block hash and index.
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fn transaction_by_block_hash_and_index(&self, _: Params) -> Result<Value, Error>;
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/// Returns transaction by given block number and index.
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fn transaction_by_block_number_and_index(&self, _: Params) -> Result<Value, Error>;
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/// Returns transaction receipt.
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fn transaction_receipt(&self, _: Params) -> Result<Value, Error>;
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/// Returns an uncles at given block and index.
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fn uncle_by_block_hash_and_index(&self, _: Params) -> Result<Value, Error>;
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/// Returns an uncles at given block and index.
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fn uncle_by_block_number_and_index(&self, _: Params) -> Result<Value, Error>;
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/// Returns available compilers.
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fn compilers(&self, _: Params) -> Result<Value, Error>;
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/// Compiles lll code.
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fn compile_lll(&self, _: Params) -> Result<Value, Error>;
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/// Compiles solidity.
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fn compile_solidity(&self, _: Params) -> Result<Value, Error>;
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/// Compiles serpent.
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fn compile_serpent(&self, _: Params) -> Result<Value, Error>;
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/// Returns logs matching given filter object.
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fn logs(&self, _: Params) -> Result<Value, Error>;
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/// Returns the hash of the current block, the seedHash, and the boundary condition to be met.
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fn work(&self, _: Params) -> Result<Value, Error>;
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/// Used for submitting a proof-of-work solution.
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fn submit_work(&self, _: Params) -> Result<Value, Error>;
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/// Used for submitting mining hashrate.
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fn submit_hashrate(&self, _: Params) -> Result<Value, Error>;
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/// Should be used to convert object to io delegate.
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fn to_delegate(self) -> IoDelegate<Self> {
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let mut delegate = IoDelegate::new(Arc::new(self));
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delegate.add_method("eth_protocolVersion", Eth::protocol_version);
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delegate.add_method("eth_syncing", Eth::syncing);
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delegate.add_method("eth_hashrate", Eth::hashrate);
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delegate.add_method("eth_coinbase", Eth::author);
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delegate.add_method("eth_mining", Eth::is_mining);
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delegate.add_method("eth_gasPrice", Eth::gas_price);
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delegate.add_method("eth_accounts", Eth::accounts);
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delegate.add_method("eth_blockNumber", Eth::block_number);
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delegate.add_method("eth_getBalance", Eth::balance);
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delegate.add_method("eth_getStorageAt", Eth::storage_at);
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delegate.add_method("eth_getTransactionCount", Eth::transaction_count);
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delegate.add_method("eth_getBlockTransactionCountByHash", Eth::block_transaction_count_by_hash);
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delegate.add_method("eth_getBlockTransactionCountByNumber", Eth::block_transaction_count_by_number);
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delegate.add_method("eth_getUncleCountByBlockHash", Eth::block_uncles_count_by_hash);
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delegate.add_method("eth_getUncleCountByBlockNumber", Eth::block_uncles_count_by_number);
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delegate.add_method("eth_getCode", Eth::code_at);
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delegate.add_method("eth_sendRawTransaction", Eth::send_raw_transaction);
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delegate.add_method("eth_call", Eth::call);
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delegate.add_method("eth_estimateGas", Eth::estimate_gas);
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delegate.add_method("eth_getBlockByHash", Eth::block_by_hash);
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delegate.add_method("eth_getBlockByNumber", Eth::block_by_number);
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delegate.add_method("eth_getTransactionByHash", Eth::transaction_by_hash);
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delegate.add_method("eth_getTransactionByBlockHashAndIndex", Eth::transaction_by_block_hash_and_index);
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delegate.add_method("eth_getTransactionByBlockNumberAndIndex", Eth::transaction_by_block_number_and_index);
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delegate.add_method("eth_getTransactionReceipt", Eth::transaction_receipt);
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delegate.add_method("eth_getUncleByBlockHashAndIndex", Eth::uncle_by_block_hash_and_index);
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delegate.add_method("eth_getUncleByBlockNumberAndIndex", Eth::uncle_by_block_number_and_index);
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delegate.add_method("eth_getCompilers", Eth::compilers);
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delegate.add_method("eth_compileLLL", Eth::compile_lll);
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delegate.add_method("eth_compileSolidity", Eth::compile_solidity);
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delegate.add_method("eth_compileSerpent", Eth::compile_serpent);
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delegate.add_method("eth_getLogs", Eth::logs);
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delegate.add_method("eth_getWork", Eth::work);
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delegate.add_method("eth_submitWork", Eth::submit_work);
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delegate.add_method("eth_submitHashrate", Eth::submit_hashrate);
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delegate
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}
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}
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/// Eth filters rpc api (polling).
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// TODO: do filters api properly
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pub trait EthFilter: Sized + Send + Sync + 'static {
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/// Returns id of new filter.
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fn new_filter(&self, _: Params) -> Result<Value, Error>;
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/// Returns id of new block filter.
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fn new_block_filter(&self, _: Params) -> Result<Value, Error>;
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/// Returns id of new block filter.
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fn new_pending_transaction_filter(&self, _: Params) -> Result<Value, Error>;
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/// Returns filter changes since last poll.
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fn filter_changes(&self, _: Params) -> Result<Value, Error>;
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/// Returns all logs matching given filter (in a range 'from' - 'to').
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fn filter_logs(&self, _: Params) -> Result<Value, Error>;
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/// Uninstalls filter.
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fn uninstall_filter(&self, _: Params) -> Result<Value, Error>;
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/// Should be used to convert object to io delegate.
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fn to_delegate(self) -> IoDelegate<Self> {
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let mut delegate = IoDelegate::new(Arc::new(self));
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delegate.add_method("eth_newFilter", EthFilter::new_filter);
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delegate.add_method("eth_newBlockFilter", EthFilter::new_block_filter);
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delegate.add_method("eth_newPendingTransactionFilter", EthFilter::new_pending_transaction_filter);
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delegate.add_method("eth_getFilterChanges", EthFilter::filter_changes);
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delegate.add_method("eth_getFilterLogs", EthFilter::filter_logs);
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delegate.add_method("eth_uninstallFilter", EthFilter::uninstall_filter);
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delegate
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}
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}
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/// Signing methods implementation relying on unlocked accounts.
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pub trait EthSigning: Sized + Send + Sync + 'static {
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/// Signs the data with given address signature.
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fn sign(&self, _: Params, _: Ready);
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/// Posts sign request asynchronously.
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/// Will return a confirmation ID for later use with check_transaction.
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fn post_sign(&self, _: Params) -> Result<Value, Error>;
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/// Sends transaction; will block for 20s to try to return the
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/// transaction hash.
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/// If it cannot yet be signed, it will return a transaction ID for
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/// later use with check_transaction.
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fn send_transaction(&self, _: Params, _: Ready);
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/// Posts transaction asynchronously.
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/// Will return a transaction ID for later use with check_transaction.
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fn post_transaction(&self, _: Params) -> Result<Value, Error>;
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/// Checks the progress of a previously posted request (transaction/sign).
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/// Should be given a valid send_transaction ID.
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/// Returns the transaction hash, the zero hash (not yet available),
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/// or the signature,
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/// or an error.
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fn check_request(&self, _: Params) -> Result<Value, Error>;
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/// Should be used to convert object to io delegate.
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fn to_delegate(self) -> IoDelegate<Self> {
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let mut delegate = IoDelegate::new(Arc::new(self));
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delegate.add_async_method("eth_sign", EthSigning::sign);
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delegate.add_async_method("eth_sendTransaction", EthSigning::send_transaction);
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delegate.add_method("eth_postSign", EthSigning::post_sign);
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delegate.add_method("eth_postTransaction", EthSigning::post_transaction);
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delegate.add_method("eth_checkRequest", EthSigning::check_request);
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delegate
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}
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}
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