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fix block number bug in balanceAt #20112

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Merged
infiloop2 merged 2 commits into from
Oct 28, 2025
Merged

fix block number bug in balanceAt #20112

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81da3d9
fix block number bug in balanceAt
shileiwill Oct 28, 2025
c0ac9fb
fix lint
shileiwill Oct 28, 2025
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5 changes: 5 additions & 0 deletions .changeset/slick-pianos-warn.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"chainlink": patch
---

#bugfix fix block number nil issue in fake evm
11 changes: 9 additions & 2 deletions core/capabilities/fakes/evm_chain.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ package fakes
import (
"context"
"crypto/ecdsa"
"errors"
"fmt"
"math/big"
"strings"
Expand Down Expand Up @@ -300,12 +301,18 @@ func (fc *FakeEVMChain) FilterLogs(ctx context.Context, metadata commonCap.Reque
func (fc *FakeEVMChain) BalanceAt(ctx context.Context, metadata commonCap.RequestMetadata, input *evmcappb.BalanceAtRequest) (*commonCap.ResponseAndMetadata[*evmcappb.BalanceAtReply], error) {
fc.eng.Infow("EVM Chain BalanceAt Started", "input", input)

if input == nil {
return nil, errors.New("BalanceAtRequest is nil")
}

// Prepare balance at request
address := common.Address(input.Account)
blockNumber := new(big.Int).SetBytes(input.BlockNumber.AbsVal)

// Convert proto big-int to *big.Int; nil ⇒ latest (handled by geth toBlockNumArg)
blockArg := pb.NewIntFromBigInt(input.BlockNumber)

// Get balance at block number
balance, err := fc.gethClient.BalanceAt(ctx, address, blockNumber)
balance, err := fc.gethClient.BalanceAt(ctx, address, blockArg)
if err != nil {
return nil, err
}
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