Solidity Precompiles

Darwinia

Ethereum compatible:

• 0x0000000000000000000000000000000000000001: ECRecover
• 0x0000000000000000000000000000000000000002: Sha256
• 0x0000000000000000000000000000000000000003: Ripemd160
• 0x0000000000000000000000000000000000000004: Identity
• 0x0000000000000000000000000000000000000005: Modexp
• 0x0000000000000000000000000000000000000006: Bn128Add
• 0x0000000000000000000000000000000000000007: Bn128Mul
• 0x0000000000000000000000000000000000000008: Bn128Pairing
• 0x0000000000000000000000000000000000000009: Blake2F
• 0x0000000000000000000000000000000000000400: StateStorage
• 0x0000000000000000000000000000000000000401: Dispatch

Darwinia dedicated:

• 0x0000000000000000000000000000000000000400: StateStorage
  • This contract is used to get the storage values from substrate modules by storage key.
  • Function signature: state_storage(bytes)
  • Params: the substrate storage key
• 0x0000000000000000000000000000000000000401: Dispatch
  • This contract is used to dispatch the substrate dispatch calls.
  • Function signature: (bytes)
  • Params: scale encoded substrate dispatch call

Crab

Ethereum compatible:

• 0x0000000000000000000000000000000000000001: ECRecover
• 0x0000000000000000000000000000000000000002: Sha256
• 0x0000000000000000000000000000000000000003: Ripemd160
• 0x0000000000000000000000000000000000000004: Identity
• 0x0000000000000000000000000000000000000005: Modexp
• 0x0000000000000000000000000000000000000006: Bn128Add
• 0x0000000000000000000000000000000000000007: Bn128Mul
• 0x0000000000000000000000000000000000000008: Bn128Pairing
• 0x0000000000000000000000000000000000000009: Blake2F

Darwinia dedicated:

• 0x0000000000000000000000000000000000000400: StateStorage
• 0x0000000000000000000000000000000000000401: Dispatch
• 0x0000000000000000000000000000000000000402: KTON
  • KTON contract which compatible with the Ethereum ERC20 protocol.

Pangoro

Ethereum compatible:

• 0x0000000000000000000000000000000000000001: ECRecover
• 0x0000000000000000000000000000000000000002: Sha256
• 0x0000000000000000000000000000000000000003: Ripemd160
• 0x0000000000000000000000000000000000000004: Identity
• 0x0000000000000000000000000000000000000005: Modexp
• 0x0000000000000000000000000000000000000006: Bn128Add
• 0x0000000000000000000000000000000000000007: Bn128Mul
• 0x0000000000000000000000000000000000000008: Bn128Pairing
• 0x0000000000000000000000000000000000000009: Blake2F
• 0x0000000000000000000000000000000000000400: StateStorage
• 0x0000000000000000000000000000000000000401: Dispatch

Darwinia dedicated:

• 0x0000000000000000000000000000000000000400: StateStorage
• 0x0000000000000000000000000000000000000401: Dispatch
• 0x0000000000000000000000000000000000000800: BLS12381
  • function signature: `fast_aggregate_verify(bytes[],bytes,bytes)

Pangolin

Ethereum compatible:

• 0x0000000000000000000000000000000000000001: ECRecover
• 0x0000000000000000000000000000000000000002: Sha256
• 0x0000000000000000000000000000000000000003: Ripemd160
• 0x0000000000000000000000000000000000000004: Identity
• 0x0000000000000000000000000000000000000005: Modexp
• 0x0000000000000000000000000000000000000006: Bn128Add
• 0x0000000000000000000000000000000000000007: Bn128Mul
• 0x0000000000000000000000000000000000000008: Bn128Pairing
• 0x0000000000000000000000000000000000000009: Blake2F

Darwinia dedicated:

• 0x0000000000000000000000000000000000000400: StateStorage
• 0x0000000000000000000000000000000000000401: Dispatch
• 0x0000000000000000000000000000000000000402: KTON