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] | |
| Boolean | bool | |
| Bytes | Vec<u8> | Byte blob of arbitary size |
| Bytes32 | u8[32] | |
| Bytes4 | u8[4] | |
| Bytes64 | u8[64] | |
| Bytes8 | u8[8] | |
| ContractId | u8[32] | |
| HexString | Vec<u8> | Byte blob of arbitrary size |
| I128 | i128 | |
| I32 | i32 | |
| I64 | i64 | |
| I8 | i8 | |
| ID | SizedAsciiString<64> | Alias of UID |
| Json | String | JSON string of arbitary size |
| U128 | u128 | |
| U32 | u32 | |
| U64 | u64 | |
| U8 | u8 | |
| UID | SizedAsciiString<64> | 32-byte unique ID |
| String | String | String of arbitrary size |