all: simplify timestamps to uint64 (#19372)

* all: simplify timestamps to uint64

* tests: update definitions

* clef, faucet, mobile: leftover uint64 fixups

* ethash: fix tests

* graphql: update schema for timestamp

* ethash: remove unused variable

2 files changed, 4 insertions, 4 deletions

diff --git a/graphql/graphql.go b/graphql/graphql.go
index b16f93e46..b3bcbd8a4 100644
--- a/graphql/graphql.go
+++ b/graphql/graphql.go
@@ -512,12 +512,12 @@ func (b *Block) Difficulty(ctx context.Context) (hexutil.Big, error) {
 	return hexutil.Big(*header.Difficulty), nil
 }
 
-func (b *Block) Timestamp(ctx context.Context) (hexutil.Big, error) {
+func (b *Block) Timestamp(ctx context.Context) (hexutil.Uint64, error) {
 	header, err := b.resolveHeader(ctx)
 	if err != nil {
-		return hexutil.Big{}, err
+		return 0, err
 	}
-	return hexutil.Big(*header.Time), nil
+	return hexutil.Uint64(header.Time), nil
 }
 
 func (b *Block) Nonce(ctx context.Context) (hexutil.Bytes, error) {
diff --git a/graphql/schema.go b/graphql/schema.go
index e266e429e..bd913d9aa 100644
--- a/graphql/schema.go
+++ b/graphql/schema.go
@@ -165,7 +165,7 @@ const schema string = `
         # GasUsed is the amount of gas that was used executing transactions in this block.
         gasUsed: Long!
         # Timestamp is the unix timestamp at which this block was mined.
-        timestamp: BigInt!
+        timestamp: Long!
         # LogsBloom is a bloom filter that can be used to check if a block may
         # contain log entries matching a filter.
         logsBloom: Bytes!