graphql: add support for retrieving the chain id (#21451)

2020-08-25 16:38:56 +08:00
parent d13b8e5570
commit 341f451083
2 changed files with 6 additions and 0 deletions
--- a/graphql/graphql.go
+++ b/graphql/graphql.go
@ -1044,6 +1044,10 @@ func (r *Resolver) ProtocolVersion(ctx context.Context) (int32, error) {
 	return int32(r.backend.ProtocolVersion()), nil
 }

+func (r *Resolver) ChainID(ctx context.Context) (hexutil.Big, error) {
+	return hexutil.Big(*r.backend.ChainConfig().ChainID), nil
+}
+
 // SyncState represents the synchronisation status returned from the `syncing` accessor.
 type SyncState struct {
 	progress ethereum.SyncProgress