...

1 files changed, 11 insertions, 0 deletions

diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index 9915ad4..9e50f64 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -555,6 +555,17 @@ func (s *PublicBlockChainAPI) GetBalance(ctx context.Context, address common.Add
 	return (*hexutil.Big)(state.GetBalance(address)), state.Error()
 }
 
+// GetBalanceMultiCoin returns the amount of wei for the given address in the state of the
+// given block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta
+// block numbers are also allowed.
+func (s *PublicBlockChainAPI) GetBalanceMultiCoin(ctx context.Context, address common.Address, blockNrOrHash rpc.BlockNumberOrHash, coinID common.Hash) (*hexutil.Big, error) {
+	state, _, err := s.b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
+	if state == nil || err != nil {
+		return nil, err
+	}
+	return (*hexutil.Big)(state.GetBalanceMultiCoin(address, coinID)), state.Error()
+}
+
 // Result structs for GetProof
 type AccountResult struct {
 	Address      common.Address  `json:"address"`