run with
$ RUST_LOG=info cargo run-
the transaction seem to be good
-
but no token has been swapped
-
if you replace the in-code anvil fork with an external local hardhat tracing or anvil blockchain you see the following error
$ npx hardhat node --verbose --fork https://eth.llamarpc.cometh_sendTransaction
Contract call: <UnrecognizedContract>
Transaction: 0x47b355700e65bd9a40e97012fbe30971f41e3f593e2686f84a6bcd3b602720d5
From: 0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266
To: 0x7a250d5630b4cf539739df2c5dacb4c659f2488d
Value: 5 ETH
Gas used: 30995 of 50000
Block #17889993: 0xf7d9dbf378dcc0790a3f5bad8245a47fd141d6b7784475a60805026d5b8d9a1c
Error: VM Exception while processing transaction: reverted with reason string 'ds-math-sub-underflow'in external anvil you see the following
$ anvil --steps-tracing -f https://eth.llamarpc.com eth_sendTransaction
Transaction: 0xc147d36c78e6f2d2fc1c550e79cffa9cdac06d593626eb7a9445ac8c8ac52704
Gas used: 30995
Error: reverted with 'ds-math-sub-underflow'
Block Number: 17889642
Block Hash: 0x3d40dea39bc8c162b4263cf5bcc31a3f10320ddae7386fc7ad4d8e3c9bc37b1e
Block Time: "Fri, 11 Aug 2023 06:05:48 +0000"