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Added stack generators #137

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Aug 8, 2024
Merged

Added stack generators #137

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98 changes: 98 additions & 0 deletions test/abstract/FlowUtilsAbstractTest.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,9 @@ pragma solidity ^0.8.18;
import {Test, Vm} from "forge-std/Test.sol";
import {ERC20Transfer, ERC721Transfer, ERC1155Transfer, RAIN_FLOW_SENTINEL} from "src/interface/unstable/IFlowV5.sol";
import {Sentinel} from "rain.solmem/lib/LibStackSentinel.sol";
import {ERC1155SupplyChange} from "src/interface/unstable/IFlowERC1155V5.sol";
import {ERC721SupplyChange} from "src/interface/unstable/IFlowERC721V5.sol";
import {ERC20SupplyChange} from "src/interface/unstable/IFlowERC20V5.sol";

abstract contract FlowUtilsAbstractTest is Test {
function generateTokenTransferStack(
Expand Down Expand Up @@ -46,6 +49,101 @@ abstract contract FlowUtilsAbstractTest is Test {
return stack;
}

function generateFlowERC1155Stack(
ERC1155Transfer[] memory erc1155Transfers,
ERC721Transfer[] memory erc721Transfers,
ERC20Transfer[] memory erc20Transfers,
ERC1155SupplyChange[] memory erc1155Burns,
ERC1155SupplyChange[] memory erc1155Mints
) internal pure returns (uint256[] memory stack) {
uint256[] memory transfersStack = generateTokenTransferStack(erc1155Transfers, erc721Transfers, erc20Transfers);
uint256 totalItems = transfersStack.length + 1 + (erc1155Burns.length * 3) + 1 + (erc1155Mints.length * 3);

stack = new uint256[](totalItems);
uint256 index = 0;
uint256 separator = Sentinel.unwrap(RAIN_FLOW_SENTINEL);

for (uint256 i = 0; i < transfersStack.length; i++) {
stack[index++] = transfersStack[i];
}

stack[index++] = separator;
for (uint256 i = 0; i < erc1155Burns.length; i++) {
stack[index++] = uint256(uint160(erc1155Burns[i].account));
stack[index++] = erc1155Burns[i].id;
stack[index++] = erc1155Burns[i].amount;
}

stack[index++] = separator;
for (uint256 i = 0; i < erc1155Mints.length; i++) {
stack[index++] = uint256(uint160(erc1155Mints[i].account));
stack[index++] = erc1155Mints[i].id;
stack[index++] = erc1155Mints[i].amount;
}
}

function generateFlowERC721Stack(
ERC1155Transfer[] memory erc1155Transfers,
ERC721Transfer[] memory erc721Transfers,
ERC20Transfer[] memory erc20Transfers,
ERC721SupplyChange[] memory erc721Burns,
ERC721SupplyChange[] memory erc721Mints
) internal pure returns (uint256[] memory stack) {
uint256[] memory transfersStack = generateTokenTransferStack(erc1155Transfers, erc721Transfers, erc20Transfers);
uint256 totalItems = transfersStack.length + 1 + (erc721Burns.length * 2) + 1 + (erc721Mints.length * 2);

stack = new uint256[](totalItems);
uint256 index = 0;
uint256 separator = Sentinel.unwrap(RAIN_FLOW_SENTINEL);

for (uint256 i = 0; i < transfersStack.length; i++) {
stack[index++] = transfersStack[i];
}

stack[index++] = separator;
for (uint256 i = 0; i < erc721Burns.length; i++) {
stack[index++] = uint256(uint160(erc721Burns[i].account));
stack[index++] = erc721Burns[i].id;
}

stack[index++] = separator;
for (uint256 i = 0; i < erc721Mints.length; i++) {
stack[index++] = uint256(uint160(erc721Mints[i].account));
stack[index++] = erc721Mints[i].id;
}
}

function generateFlowERC20Stack(
ERC1155Transfer[] memory erc1155Transfers,
ERC721Transfer[] memory erc721Transfers,
ERC20Transfer[] memory erc20Transfers,
ERC20SupplyChange[] memory erc20Burns,
ERC20SupplyChange[] memory erc20Mints
) internal pure returns (uint256[] memory stack) {
uint256[] memory transfersStack = generateTokenTransferStack(erc1155Transfers, erc721Transfers, erc20Transfers);
uint256 totalItems = transfersStack.length + 1 + (erc20Mints.length * 2) + 1 + (erc20Mints.length * 2);

stack = new uint256[](totalItems);
uint256 index = 0;
uint256 separator = Sentinel.unwrap(RAIN_FLOW_SENTINEL);

for (uint256 i = 0; i < transfersStack.length; i++) {
stack[index++] = transfersStack[i];
}

stack[index++] = separator;
for (uint256 i = 0; i < erc20Burns.length; i++) {
stack[index++] = uint256(uint160(erc20Burns[i].account));
stack[index++] = erc20Burns[i].amount;
}

stack[index++] = separator;
for (uint256 i = 0; i < erc20Mints.length; i++) {
stack[index++] = uint256(uint160(erc20Mints[i].account));
stack[index++] = erc20Mints[i].amount;
}
}

function findEvent(Vm.Log[] memory logs, bytes32 eventSignature) internal pure returns (Vm.Log memory) {
for (uint256 i = 0; i < logs.length; i++) {
if (logs[i].topics[0] == eventSignature) {
Expand Down
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