feat(hindsight): decode on-chain aggregator swaps#253
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Decode settled aggregator swaps for a block and report what each trade put in and took out, with client and aggregator attribution. - Fetch receipts per block with eth_getBlockReceipts and trace matched transactions concurrently (bounded), keeping each block within its block time - Recover native ETH legs from the callTracer trace, since token->ETH and ETH->token swaps deliver ETH without emitting a log - Attribute client vs aggregator: direct swaps settle at the entry point; client-routed swaps (e.g. Relay) resolve the aggregator from the trace, falling back to the contract address when unknown Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Add a `hindsight verify` subcommand that decodes a block locally and diffs each transaction against Allium's aggregator_trades table as ground truth (allium.rs async Explorer client, verify.rs comparison by token, amount in bps, and aggregator). Split the CLI into `decode` and `verify` subcommands. Extend the decoder to catch filler-initiated intent fills (UniswapX, 1inch limit orders) by matching a known aggregator log signature and resolving the order maker by net flow. Add 1inch v5, the UniswapX reactor, and the Tycho router addresses. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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