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hkg-erc20-spec.ini
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hkg-erc20-spec.ini
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; ERC20-EVM Specification Template Parameters
; For more details, refer to README.md.
[root]
k: #execute => #halt
schedule: CONSTANTINOPLE
gas: #gas({GASCAP}, 0, 0) => _
ensures:
[totalSupply]
statusCode: _ => EVMC_REVERT
output: _ => _
callData: #abiCallData("totalSupply", .TypedArgs)
log: _
refund: _
storage: _:Map
origStorage: _
requires:
[balanceOf]
statusCode: _ => EVMC_SUCCESS
output: _ => #buf(32, BAL)
callData: #abiCallData("balanceOf", #address(OWNER))
log: _
refund: _
storage: M
origStorage: _
requires:
andBool select(M, #hashedLocation({COMPILER}, {_BALANCES}, OWNER)) ==Int BAL
andBool 0 <=Int OWNER andBool OWNER <Int (2 ^Int 160)
andBool 0 <=Int BAL andBool BAL <Int (2 ^Int 256)
[allowance]
statusCode: _ => EVMC_SUCCESS
output: _ => #buf(32, ALLOWANCE)
callData: #abiCallData("allowance", #address(OWNER), #address(SPENDER))
log: _
refund: _
storage: M
origStorage: _
requires:
andBool select(M, #hashedLocation({COMPILER}, {_ALLOWANCES}, OWNER SPENDER)) ==Int ALLOWANCE
andBool 0 <=Int OWNER andBool OWNER <Int (2 ^Int 160)
andBool 0 <=Int SPENDER andBool SPENDER <Int (2 ^Int 160)
andBool 0 <=Int ALLOWANCE andBool ALLOWANCE <Int (2 ^Int 256)
[approve]
statusCode: _ => EVMC_SUCCESS
output: _ => #buf(32, 1)
callData: #abiCallData("approve", #address(SPENDER), #uint256(VALUE))
log: _:List ( .List => ListItem(#abiEventLog(ACCT_ID, "Approval", #indexed(#address(CALLER_ID)), #indexed(#address(SPENDER)), #uint256(VALUE))) )
refund: _ => _
storage: M1 => M2
origStorage: M1
requires:
andBool 0 <=Int SPENDER andBool SPENDER <Int (2 ^Int 160)
andBool 0 <=Int VALUE andBool VALUE <Int (2 ^Int 256)
ensures:
ensures select(M2, #hashedLocation({COMPILER}, {_ALLOWANCES}, CALLER_ID SPENDER)) ==Int VALUE
andBool M1 ==IMap M2 except
(SetItem(#hashedLocation({COMPILER}, {_ALLOWANCES}, CALLER_ID SPENDER)) .Set)
[transfer]
callData: #abiCallData("transfer", #address(TO_ID), #uint256(VALUE))
refund: _ => _
requires:
andBool 0 <=Int TO_ID andBool TO_ID <Int (2 ^Int 160)
andBool 0 <=Int VALUE andBool VALUE <Int (2 ^Int 256)
andBool 0 <=Int BAL_FROM andBool BAL_FROM <Int (2 ^Int 256)
andBool 0 <=Int BAL_TO andBool BAL_TO <Int (2 ^Int 256)
[transfer-success]
statusCode: _ => EVMC_SUCCESS
output: _ => #buf(32, 1)
log: _:List ( .List => ListItem(#abiEventLog(ACCT_ID, "Transfer", #indexed(#address(CALLER_ID)), #indexed(#address(TO_ID)), #uint256(VALUE))) )
[transfer-success-1]
storage: M1 => M2
origStorage: M1
+requires:
andBool select(M1, #hashedLocation({COMPILER}, {_BALANCES}, CALLER_ID)) ==Int BAL_FROM
andBool select(M1, #hashedLocation({COMPILER}, {_BALANCES}, TO_ID)) ==Int BAL_TO
andBool CALLER_ID =/=Int TO_ID
andBool VALUE <=Int BAL_FROM
andBool VALUE >Int 0
ensures:
ensures select(M2, #hashedLocation({COMPILER}, {_BALANCES}, CALLER_ID)) ==Int BAL_FROM -Int VALUE
; WARNING: Overflow is not checked
andBool select(M2, #hashedLocation({COMPILER}, {_BALANCES}, TO_ID)) ==Int BAL_TO +Word VALUE
andBool M1 ==IMap M2 except
(SetItem(#hashedLocation({COMPILER}, {_BALANCES}, CALLER_ID))
SetItem(#hashedLocation({COMPILER}, {_BALANCES}, TO_ID)) .Set)
[transfer-success-2]
storage: M
origStorage: M
+requires:
andBool select(M, #hashedLocation({COMPILER}, {_BALANCES}, CALLER_ID)) ==Int BAL_FROM
andBool CALLER_ID ==Int TO_ID
andBool VALUE <=Int BAL_FROM
andBool VALUE >Int 0
[transfer-failure]
statusCode: _ => EVMC_SUCCESS
output: _ => #buf(32, 0)
log: _
[transfer-failure-1]
storage: M1 => M2
origStorage: M1
+requires:
andBool select(M1, #hashedLocation({COMPILER}, {_BALANCES}, CALLER_ID)) ==Int BAL_FROM
andBool select(M1, #hashedLocation({COMPILER}, {_BALANCES}, TO_ID)) ==Int BAL_TO
andBool CALLER_ID =/=Int TO_ID
andBool ( VALUE >Int BAL_FROM
orBool VALUE <=Int 0 )
ensures:
ensures M1 ==IMap M2 except
(SetItem(#hashedLocation({COMPILER}, {_BALANCES}, CALLER_ID)) .Set)
[transfer-failure-2]
storage: M1
origStorage: _
+requires:
andBool select(M1, #hashedLocation({COMPILER}, {_BALANCES}, CALLER_ID)) ==Int BAL_FROM
andBool CALLER_ID ==Int TO_ID
andBool ( VALUE >Int BAL_FROM
orBool VALUE <=Int 0 )
[transferFrom]
callData: #abiCallData("transferFrom", #address(FROM_ID), #address(TO_ID), #uint256(VALUE))
refund: _ => _
requires:
andBool 0 <=Int FROM_ID andBool FROM_ID <Int (2 ^Int 160)
andBool 0 <=Int TO_ID andBool TO_ID <Int (2 ^Int 160)
andBool 0 <=Int VALUE andBool VALUE <Int (2 ^Int 256)
andBool 0 <=Int BAL_FROM andBool BAL_FROM <Int (2 ^Int 256)
andBool 0 <=Int BAL_TO andBool BAL_TO <Int (2 ^Int 256)
andBool 0 <=Int ALLOW andBool ALLOW <Int (2 ^Int 256)
[transferFrom-success]
statusCode: _ => EVMC_SUCCESS
output: _ => #buf(32, 1)
log: _:List ( .List => ListItem(#abiEventLog(ACCT_ID, "Transfer", #indexed(#address(FROM_ID)), #indexed(#address(TO_ID)), #uint256(VALUE))) )
[transferFrom-success-1]
storage: M1 => M2
origStorage: M1
+requires:
andBool select(M1, #hashedLocation({COMPILER}, {_BALANCES}, FROM_ID)) ==Int BAL_FROM
andBool select(M1, #hashedLocation({COMPILER}, {_BALANCES}, TO_ID)) ==Int BAL_TO
andBool select(M1, #hashedLocation({COMPILER}, {_ALLOWANCES}, FROM_ID CALLER_ID)) ==Int ALLOW
andBool FROM_ID =/=Int TO_ID
andBool VALUE <=Int BAL_FROM
andBool VALUE <=Int ALLOW
andBool VALUE >Int 0
ensures:
ensures select(M2, #hashedLocation({COMPILER}, {_BALANCES}, FROM_ID)) ==Int BAL_FROM -Int VALUE
; WARNING: Overflow is not checked
andBool select(M2, #hashedLocation({COMPILER}, {_BALANCES}, TO_ID)) ==Int BAL_TO +Word VALUE
andBool select(M2, #hashedLocation({COMPILER}, {_ALLOWANCES}, FROM_ID CALLER_ID)) ==Int ALLOW -Int VALUE
andBool M1 ==IMap M2 except
(SetItem(#hashedLocation({COMPILER}, {_BALANCES}, FROM_ID))
SetItem(#hashedLocation({COMPILER}, {_BALANCES}, TO_ID))
SetItem(#hashedLocation({COMPILER}, {_ALLOWANCES}, FROM_ID CALLER_ID)) .Set)
[transferFrom-success-2]
storage: M1 => M2
origStorage: M1
+requires:
andBool select(M1, #hashedLocation({COMPILER}, {_BALANCES}, FROM_ID)) ==Int BAL_FROM
andBool select(M1, #hashedLocation({COMPILER}, {_ALLOWANCES}, FROM_ID CALLER_ID)) ==Int ALLOW
andBool FROM_ID ==Int TO_ID
andBool VALUE <=Int BAL_FROM
andBool VALUE <=Int ALLOW
andBool VALUE >Int 0
ensures:
ensures select(M2, #hashedLocation({COMPILER}, {_ALLOWANCES}, FROM_ID CALLER_ID)) ==Int ALLOW -Int VALUE
andBool M1 ==IMap M2 except
(SetItem(#hashedLocation({COMPILER}, {_ALLOWANCES}, FROM_ID CALLER_ID)) .Set)
[transferFrom-failure]
statusCode: _ => EVMC_SUCCESS
output: _ => #buf(32, 0)
log: _
[transferFrom-failure-1]
storage: M1 => M2
origStorage: M1
+requires:
andBool select(M1, #hashedLocation({COMPILER}, {_BALANCES}, FROM_ID)) ==Int BAL_FROM
andBool select(M1, #hashedLocation({COMPILER}, {_BALANCES}, TO_ID)) ==Int BAL_TO
andBool select(M1, #hashedLocation({COMPILER}, {_ALLOWANCES}, FROM_ID CALLER_ID)) ==Int ALLOW
andBool FROM_ID =/=Int TO_ID
andBool ( VALUE >Int BAL_FROM orBool VALUE >Int ALLOW orBool VALUE <=Int 0 )
ensures:
ensures M1 ==IMap M2 except
(SetItem(#hashedLocation({COMPILER}, {_BALANCES}, FROM_ID))
SetItem(#hashedLocation({COMPILER}, {_BALANCES}, TO_ID)) .Set)
[transferFrom-failure-2]
storage: M
origStorage: _
+requires:
andBool select(M, #hashedLocation({COMPILER}, {_BALANCES}, FROM_ID)) ==Int BAL_FROM
andBool select(M, #hashedLocation({COMPILER}, {_ALLOWANCES}, FROM_ID CALLER_ID)) ==Int ALLOW
andBool FROM_ID ==Int TO_ID
andBool ( VALUE >Int BAL_FROM orBool VALUE >Int ALLOW orBool VALUE <=Int 0 )
[pgm]
compiler: "Solidity"
_totalSupply: 0
_balances: 1
_allowances: 2
code: "0x60606040526004361061006d576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff168063095ea7b31461007257806323b872dd146100cc57806370a0823114610145578063a9059cbb14610192578063dd62ed3e146101ec575b600080fd5b341561007d57600080fd5b6100b2600480803573ffffffffffffffffffffffffffffffffffffffff16906020019091908035906020019091905050610258565b604051808215151515815260200191505060405180910390f35b34156100d757600080fd5b61012b600480803573ffffffffffffffffffffffffffffffffffffffff1690602001909190803573ffffffffffffffffffffffffffffffffffffffff1690602001909190803590602001909190505061034a565b604051808215151515815260200191505060405180910390f35b341561015057600080fd5b61017c600480803573ffffffffffffffffffffffffffffffffffffffff169060200190919050506105c6565b6040518082815260200191505060405180910390f35b341561019d57600080fd5b6101d2600480803573ffffffffffffffffffffffffffffffffffffffff1690602001909190803590602001909190505061060f565b604051808215151515815260200191505060405180910390f35b34156101f757600080fd5b610242600480803573ffffffffffffffffffffffffffffffffffffffff1690602001909190803573ffffffffffffffffffffffffffffffffffffffff16906020019091905050610778565b6040518082815260200191505060405180910390f35b600081600260003373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060008573ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020819055508273ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff167f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925846040518082815260200191505060405180910390a36001905092915050565b600081600160008673ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020019081526020016000205410158015610417575081600260008673ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060003373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020019081526020016000205410155b80156104235750600082115b156105ba5781600160008673ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020019081526020016000206000828254039250508190555081600160008573ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020019081526020016000206000828254019250508190555081600260008673ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060003373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020600082825403925050819055508273ffffffffffffffffffffffffffffffffffffffff168473ffffffffffffffffffffffffffffffffffffffff167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef846040518082815260200191505060405180910390a3600190506105bf565b600090505b9392505050565b6000600160008373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020549050919050565b600081600160003373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002054101580156106605750600082115b1561076d5781600160003373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020019081526020016000206000828254039250508190555081600160008573ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020600082825401925050819055508273ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef846040518082815260200191505060405180910390a360019050610772565b600090505b92915050565b6000600260008473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060008373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020549050929150505600a165627a7a723058206cb5284e8795f7d1c570318732bc1cb8add2222946156c0ba28c946531c4a2f50029"
gasCap: 100000