Module aliases

Type aliases for common primitive types.

Type Aliases

• B8
  1-byte fixed byte-array type.
• B16
  2-byte fixed byte-array type.
• B32
  4-byte fixed byte-array type.
• B64
  8-byte fixed byte-array type.
• B96
  12-byte fixed byte-array type.
• B128
  16-byte fixed byte-array type.
• B192
  24-byte fixed byte-array type.
• B224
  28-byte fixed byte-array type.
• B256
  32-byte fixed byte-array type.
• B512
  64-byte fixed byte-array type.
• B1024
  128-byte fixed byte-array type.
• B2048
  256-byte fixed byte-array type.
• BlockHash
  A block hash.
• BlockNumber
  A block number.
• BlockTimestamp
  A block timestamp.
• ChainId
  Chain identifier type (introduced in EIP-155).
• I0
  The 0-bit signed integer type, capable of representing 0.
• I1
  The 1-bit signed integer type, capable of representing 0 and -1.
• I8
  8-bit signed integer type, consisting of 1, 64-bit limbs.
• I16
  16-bit signed integer type, consisting of 1, 64-bit limbs.
• I24
  24-bit signed integer type, consisting of 1, 64-bit limbs.
• I32
  32-bit signed integer type, consisting of 1, 64-bit limbs.
• I40
  40-bit signed integer type, consisting of 1, 64-bit limbs.
• I48
  48-bit signed integer type, consisting of 1, 64-bit limbs.
• I56
  56-bit signed integer type, consisting of 1, 64-bit limbs.
• I64
  64-bit signed integer type, consisting of 1, 64-bit limbs.
• I72
  72-bit signed integer type, consisting of 2, 64-bit limbs.
• I80
  80-bit signed integer type, consisting of 2, 64-bit limbs.
• I88
  88-bit signed integer type, consisting of 2, 64-bit limbs.
• I96
  96-bit signed integer type, consisting of 2, 64-bit limbs.
• I104
  104-bit signed integer type, consisting of 2, 64-bit limbs.
• I112
  112-bit signed integer type, consisting of 2, 64-bit limbs.
• I120
  120-bit signed integer type, consisting of 2, 64-bit limbs.
• I128
  128-bit signed integer type, consisting of 2, 64-bit limbs.
• I136
  136-bit signed integer type, consisting of 3, 64-bit limbs.
• I144
  144-bit signed integer type, consisting of 3, 64-bit limbs.
• I152
  152-bit signed integer type, consisting of 3, 64-bit limbs.
• I160
  160-bit signed integer type, consisting of 3, 64-bit limbs.
• I168
  168-bit signed integer type, consisting of 3, 64-bit limbs.
• I176
  176-bit signed integer type, consisting of 3, 64-bit limbs.
• I184
  184-bit signed integer type, consisting of 3, 64-bit limbs.
• I192
  192-bit signed integer type, consisting of 3, 64-bit limbs.
• I200
  200-bit signed integer type, consisting of 4, 64-bit limbs.
• I208
  208-bit signed integer type, consisting of 4, 64-bit limbs.
• I216
  216-bit signed integer type, consisting of 4, 64-bit limbs.
• I224
  224-bit signed integer type, consisting of 4, 64-bit limbs.
• I232
  232-bit signed integer type, consisting of 4, 64-bit limbs.
• I240
  240-bit signed integer type, consisting of 4, 64-bit limbs.
• I248
  248-bit signed integer type, consisting of 4, 64-bit limbs.
• I256
  256-bit signed integer type, consisting of 4, 64-bit limbs.
• I512
  512-bit signed integer type, consisting of 8, 64-bit limbs.
• Selector
  Solidity contract functions are addressed using the first four bytes of the Keccak-256 hash of their signature.
• StorageKey
  An account storage key.
• StorageValue
  An account storage value.
• TxHash
  A transaction hash is a keccak hash of an RLP encoded signed transaction.
• TxIndex
  The index of transaction in a block.
• TxNonce
  The nonce of a transaction.
• TxNumber
  The sequence number of all existing transactions.
• U0
  Uint for 0 bits. Always zero. Similar to ().
• U1
  Uint for 1 bit. Similar to bool.
• U8
  8-bit unsigned integer type, consisting of 1, 64-bit limbs.
• U16
  16-bit unsigned integer type, consisting of 1, 64-bit limbs.
• U24
  24-bit unsigned integer type, consisting of 1, 64-bit limbs.
• U32
  32-bit unsigned integer type, consisting of 1, 64-bit limbs.
• U40
  40-bit unsigned integer type, consisting of 1, 64-bit limbs.
• U48
  48-bit unsigned integer type, consisting of 1, 64-bit limbs.
• U56
  56-bit unsigned integer type, consisting of 1, 64-bit limbs.
• U64
  64-bit unsigned integer type, consisting of 1, 64-bit limbs.
• U72
  72-bit unsigned integer type, consisting of 2, 64-bit limbs.
• U80
  80-bit unsigned integer type, consisting of 2, 64-bit limbs.
• U88
  88-bit unsigned integer type, consisting of 2, 64-bit limbs.
• U96
  96-bit unsigned integer type, consisting of 2, 64-bit limbs.
• U104
  104-bit unsigned integer type, consisting of 2, 64-bit limbs.
• U112
  112-bit unsigned integer type, consisting of 2, 64-bit limbs.
• U120
  120-bit unsigned integer type, consisting of 2, 64-bit limbs.
• U128
  128-bit unsigned integer type, consisting of 2, 64-bit limbs.
• U136
  136-bit unsigned integer type, consisting of 3, 64-bit limbs.
• U144
  144-bit unsigned integer type, consisting of 3, 64-bit limbs.
• U152
  152-bit unsigned integer type, consisting of 3, 64-bit limbs.
• U160
  160-bit unsigned integer type, consisting of 3, 64-bit limbs.
• U168
  168-bit unsigned integer type, consisting of 3, 64-bit limbs.
• U176
  176-bit unsigned integer type, consisting of 3, 64-bit limbs.
• U184
  184-bit unsigned integer type, consisting of 3, 64-bit limbs.
• U192
  192-bit unsigned integer type, consisting of 3, 64-bit limbs.
• U200
  200-bit unsigned integer type, consisting of 4, 64-bit limbs.
• U208
  208-bit unsigned integer type, consisting of 4, 64-bit limbs.
• U216
  216-bit unsigned integer type, consisting of 4, 64-bit limbs.
• U224
  224-bit unsigned integer type, consisting of 4, 64-bit limbs.
• U232
  232-bit unsigned integer type, consisting of 4, 64-bit limbs.
• U240
  240-bit unsigned integer type, consisting of 4, 64-bit limbs.
• U248
  248-bit unsigned integer type, consisting of 4, 64-bit limbs.
• U256
  256-bit unsigned integer type, consisting of 4, 64-bit limbs.
• U320
  Uint for 320 bits.
• U384
  Uint for 384 bits.
• U448
  Uint for 448 bits.
• U512
  512-bit unsigned integer type, consisting of 8, 64-bit limbs.
• U1024
  Uint for 1024 bits.
• U2048
  Uint for 2048 bits.
• U4096
  Uint for 4096 bits.