U256
Composite 97 v411primitive_types::U256
About This Type
256-bit unsigned integer for very large numeric values.
Used in EVM-compatible operations and for values that exceed u128 range.
Encoding: Fixed-width: 32 bytes, little-endian.
Fields (1)
| # | Name | Type |
|---|---|---|
| 0 | (unnamed) | [u64; 4] |
SCALE Encoding
- Rule
- 1 field encoded consecutively in declaration order. No field names or delimiters.
- Size
- sum of field sizes
Examples
Struct with 1 field = ?: [u64; 4]
0x<field0>field 0 field0: [u64; 4]Code Examples
import { TypeRegistry } from "@polkadot/types";
const registry = new TypeRegistry();
// Encode U256
const value = registry.createType("U256", {
field: 0
});
console.log("Hex:", value.toHex());Referenced By (33)
#96 BaseFee::Event via NewBaseFeePerGas.fee#400 LegacyTransaction via nonce#400 LegacyTransaction via gas_price#400 LegacyTransaction via gas_limit#400 LegacyTransaction via value#404 EIP2930Transaction via nonce#404 EIP2930Transaction via gas_price#404 EIP2930Transaction via gas_limit#404 EIP2930Transaction via value#408 EIP1559Transaction via nonce#408 EIP1559Transaction via max_priority_fee_per_gas#408 EIP1559Transaction via max_fee_per_gas#408 EIP1559Transaction via gas_limit#408 EIP1559Transaction via value#409 EIP7702Transaction via nonce#409 EIP7702Transaction via max_priority_fee_per_gas#409 EIP7702Transaction via max_fee_per_gas#409 EIP7702Transaction via gas_limit#409 EIP7702Transaction via value#411 AuthorizationListItem via nonce
and 13 more...
Type Information
- Type ID
- 97
- Kind
- Composite
- Path
- primitive_types::U256
- Runtime
- v411