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Optimize LibAddressArray and update CHANGELOG

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This commit is contained in:
Amir Bandeali
2019-03-07 14:29:06 -08:00
parent 53a70bbffb
commit 9471510086
3 changed files with 15 additions and 6 deletions
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1
contracts/coordinator/test/coordinator.ts
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@@ -517,3 +517,4 @@ describe('Coordinator tests', () => {
});
});
});
// tslint:disable:max-file-line-count

4
contracts/utils/CHANGELOG.json
View File

@@ -5,6 +5,10 @@
{
"note": "Set evmVersion to byzantium",
"pr": 1678
},
{
"note": "Optimize loops in LibAddressArray",
"pr": 1668
}
]
},

16
contracts/utils/contracts/src/LibAddressArray.sol
View File

@@ -99,19 +99,21 @@ library LibAddressArray {
let arrayByteLen := mul(mload(addressArray), 32)
// Calculate beginning of array contents
let arrayContentsStart := add(addressArray, 32)
// Calclulate end of array contents
let arrayContentsEnd := add(arrayContentsStart, arrayByteLen)
// Loop through array
for {let i:= 0} lt(i, arrayByteLen) {i := add(i, 32)} {
for {let i:= arrayContentsStart} lt(i, arrayContentsEnd) {i := add(i, 32)} {
// Load array element
let arrayElement := mload(add(arrayContentsStart, i))
let arrayElement := mload(i)
// Return true if array element equals target
if eq(target, arrayElement) {
// Set success to true
success := 1
// Break loop
i := arrayByteLen
i := arrayContentsEnd
}
}
}
@@ -133,12 +135,14 @@ library LibAddressArray {
let arrayByteLen := mul(mload(addressArray), 32)
// Calculate beginning of array contents
let arrayContentsStart := add(addressArray, 32)
// Calclulate end of array contents
let arrayContentsEnd := add(arrayContentsStart, arrayByteLen)
// Loop through array
for {let i:= 0} lt(i, arrayByteLen) {i := add(i, 32)} {
for {let i:= arrayContentsStart} lt(i, arrayContentsEnd) {i := add(i, 32)} {
// Load array element
let arrayElement := mload(add(arrayContentsStart, i))
let arrayElement := mload(i)
// Return true if array element equals target
if eq(target, arrayElement) {
@@ -146,7 +150,7 @@ library LibAddressArray {
success := 1
index := div(i, 32)
// Break loop
i := arrayByteLen
i := arrayContentsEnd
}
}
}