28 lines
782 B
Rust
28 lines
782 B
Rust
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//! Bridge between Tracedb and Blockchain.
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use ethereum_types::H256;
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use header::BlockNumber;
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use trace::DatabaseExtras as TraceDatabaseExtras;
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use blockchain::{BlockChain, BlockProvider};
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use blockchain::extras::TransactionAddress;
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pub use types::trace_filter::Filter;
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impl TraceDatabaseExtras for BlockChain {
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fn block_hash(&self, block_number: BlockNumber) -> Option<H256> {
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(self as &BlockProvider).block_hash(block_number)
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}
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fn transaction_hash(&self, block_number: BlockNumber, tx_position: usize) -> Option<H256> {
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(self as &BlockProvider).block_hash(block_number)
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.and_then(|block_hash| {
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let tx_address = TransactionAddress {
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block_hash: block_hash,
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index: tx_position
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};
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self.transaction(&tx_address)
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})
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.map(|tx| tx.hash())
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}
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}
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