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Make receipt's gasUsed property work properly.

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Fixes #1111
This commit is contained in:
Gav Wood
2016-05-21 14:49:21 +02:00
parent 399dfc4c2e
commit 828bf7cb9e
3 changed files with 15 additions and 8 deletions
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11
ethcore/src/client/client.rs
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@@ -580,14 +580,21 @@ impl<V> BlockChainClient for Client<V> where V: Verifier {
let block_number = tx.block_number.clone();
let transaction_hash = tx.hash();
let transaction_index = tx.transaction_index;
let prior_gas_used = match tx.transaction_index {
0 => U256::zero(),
i => {
let prior_address = TransactionAddress { block_hash: address.block_hash, index: i - 1 };
let prior_receipt = self.chain.transaction_receipt(&prior_address).expect("Transaction receipt at `address` exists; `prior_address` has lower index in same block; qed");
prior_receipt.gas_used
}
};
Some(LocalizedReceipt {
transaction_hash: tx.hash(),
transaction_index: tx.transaction_index,
block_hash: tx.block_hash,
block_number: tx.block_number,
// TODO: to fix this, query all previous transaction receipts and retrieve their gas usage
cumulative_gas_used: receipt.gas_used,
gas_used: receipt.gas_used,
gas_used: receipt.gas_used - prior_gas_used,
contract_address: match tx.action {
Action::Call(_) => None,
Action::Create => Some(contract_address(&tx.sender().unwrap(), &tx.nonce))