The Fuel indexer has a collection of GraphQL scalars that cover virtually any value type in use on the Fuel network. The following list contains each GraphQL scalar type along with its equivalent Rust type.
| GraphQL Scalar | Rust Type | Notes |
|---|---|---|
| Address | u8[32] | |
| AssetId | u8[32] | |
| Blob | Vec<u8> | Byte blob of arbitary size |
| BlockId | u8[32] | 32-byte block ID |
| Boolean | bool | |
| Bytes4 | u8[4] | |
| Bytes8 | u8[8] | |
| Bytes32 | u8[32] | |
| Bytes64 | u8[64] | |
| Charfield | String | String of arbitrary size |
| ContractId | u8[32] | |
| HexString | Vec<u8> | Byte blob of arbitrary size |
| ID | SizedAsciiString<64> | Alias of UID |
| Int1 | i8 | |
| Int4 | i32 | |
| Int8 | i64 | |
| Int16 | i128 | |
| Json | String | JSON string of arbitary size |
| MessageId | u8[32] | |
| Nonce | u8[32] | |
| Salt | u8[32] | |
| Signature | u8[64] | 64-byte signature |
| Tai64Timestamp | Tai64 | Tai64 timestamp |
| Timestamp | u64 | |
| UID | SizedAsciiString<64> | 32-byte unique ID |
| UInt1 | u8 | |
| UInt4 | u32 | |
| UInt8 | u64 | |
| UInt16 | u128 | |
| Virtual | String | Used to store types tagged with @virtual directive |
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