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ante: update nonce check (#550)

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noot 2020-09-29 10:39:15 -04:00 committed by GitHub
parent cee4c5f31f
commit 7f648d2c55
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2 changed files with 10 additions and 1 deletions
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6
CHANGELOG.md
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@ -35,6 +35,12 @@ Ref: https://keepachangelog.com/en/1.0.0/
# Changelog # Changelog
## Unreleased
### Bug fixes
* (app/ante) [\#550](https://github.com/ChainSafe/ethermint/pull/550) Update ante handler nonce verification to accept any nonce greater than or equal to the expected nonce to allow to successive transactions.
## [v0.2.0] - 2020-09-24 ## [v0.2.0] - 2020-09-24
### State Machine Breaking ### State Machine Breaking

5
app/ante/eth.go
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@ -253,7 +253,10 @@ func (nvd NonceVerificationDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, sim
} }
seq := acc.GetSequence() seq := acc.GetSequence()
if msgEthTx.Data.AccountNonce != seq { // if multiple transactions are submitted in succession with increasing nonces,
// all will be rejected except the first, since the first needs to be included in a block
// before the sequence increments
if msgEthTx.Data.AccountNonce < seq {
return ctx, sdkerrors.Wrapf( return ctx, sdkerrors.Wrapf(
sdkerrors.ErrInvalidSequence, sdkerrors.ErrInvalidSequence,
"invalid nonce; got %d, expected %d", msgEthTx.Data.AccountNonce, seq, "invalid nonce; got %d, expected %d", msgEthTx.Data.AccountNonce, seq,