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vyper-erc20-spec.ini
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vyper-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(INITGAS, 0, 0) => _
[totalSupply]
statusCode: _ => EVMC_SUCCESS
output: _ => #buf(32,TOTAL)
callData: #abiCallData("totalSupply", .TypedArgs)
log: _
refund: _
storage: M
origStorage: _
requires:
andBool select(M, #hashedLocation({COMPILER}, {_TOTALSUPPLY}, .IntList)) ==Int TOTAL
andBool 0 <=Int TOTAL andBool TOTAL <Int (2 ^Int 256)
ensures:
[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)
ensures:
[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)
ensures:
[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 BAL_TO +Int VALUE <Int (2 ^Int 256)
ensures:
ensures select(M2, #hashedLocation({COMPILER}, {_BALANCES}, CALLER_ID)) ==Int BAL_FROM -Int VALUE
andBool select(M2, #hashedLocation({COMPILER}, {_BALANCES}, TO_ID)) ==Int BAL_TO +Int 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
ensures:
[transfer-failure]
statusCode: _ => EVMC_REVERT
output: _ => _
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 BAL_TO +Int VALUE >=Int (2 ^Int 256) )
ensures:
ensures M1 ==IMap M2
except (SetItem(#hashedLocation({COMPILER}, {_BALANCES}, CALLER_ID)) .Set)
[transfer-failure-2]
storage: M
origStorage: _
+requires:
andBool select(M, #hashedLocation({COMPILER}, {_BALANCES}, CALLER_ID)) ==Int BAL_FROM
andBool CALLER_ID ==Int TO_ID
andBool VALUE >Int BAL_FROM
ensures:
[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 BAL_TO +Int VALUE <Int (2 ^Int 256)
andBool VALUE <=Int ALLOW
andBool #hashedLocation({COMPILER}, {_ALLOWANCES}, FROM_ID CALLER_ID) =/=Int #hashedLocation({COMPILER}, {_BALANCES}, FROM_ID)
andBool #hashedLocation({COMPILER}, {_ALLOWANCES}, FROM_ID CALLER_ID) =/=Int #hashedLocation({COMPILER}, {_BALANCES}, TO_ID)
ensures:
ensures select(M2, #hashedLocation({COMPILER}, {_BALANCES}, FROM_ID)) ==Int BAL_FROM -Int VALUE
andBool select(M2, #hashedLocation({COMPILER}, {_BALANCES}, TO_ID)) ==Int BAL_TO +Int 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
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_REVERT
output: _ => _
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 BAL_TO +Int VALUE >=Int (2 ^Int 256)
orBool VALUE >Int ALLOW )
ensures:
ensures M2 ==IMap M1 except
(SetItem(#hashedLocation({COMPILER}, {_BALANCES}, FROM_ID))
SetItem(#hashedLocation({COMPILER}, {_BALANCES}, TO_ID)) .Set)
[transferFrom-failure-2]
storage: M
origStorage: M
+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 )
ensures:
[pgm]
compiler: "Vyper"
_balances: 0
_allowances: 1
_totalSupply: 2
code: "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"