new interface, openzeppelin utils import

This commit is contained in:
Moon Man 2023-01-29 14:46:02 -05:00
parent ecaa83918f
commit 1c58533f89
5 changed files with 37 additions and 97 deletions

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@ -1,92 +0,0 @@
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Base64.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides a set of functions to operate with Base64 strings.
*
* _Available since v4.5._
*/
library Base64 {
/**
* @dev Base64 Encoding/Decoding Table
*/
string internal constant _TABLE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
/**
* @dev Converts a `bytes` to its Bytes64 `string` representation.
*/
function encode(bytes memory data) internal pure returns (string memory) {
/**
* Inspired by Brecht Devos (Brechtpd) implementation - MIT licence
* https://github.com/Brechtpd/base64/blob/e78d9fd951e7b0977ddca77d92dc85183770daf4/base64.sol
*/
if (data.length == 0) return "";
// Loads the table into memory
string memory table = _TABLE;
// Encoding takes 3 bytes chunks of binary data from `bytes` data parameter
// and split into 4 numbers of 6 bits.
// The final Base64 length should be `bytes` data length multiplied by 4/3 rounded up
// - `data.length + 2` -> Round up
// - `/ 3` -> Number of 3-bytes chunks
// - `4 *` -> 4 characters for each chunk
string memory result = new string(4 * ((data.length + 2) / 3));
/// @solidity memory-safe-assembly
assembly {
// Prepare the lookup table (skip the first "length" byte)
let tablePtr := add(table, 1)
// Prepare result pointer, jump over length
let resultPtr := add(result, 32)
// Run over the input, 3 bytes at a time
for {
let dataPtr := data
let endPtr := add(data, mload(data))
} lt(dataPtr, endPtr) {
} {
// Advance 3 bytes
dataPtr := add(dataPtr, 3)
let input := mload(dataPtr)
// To write each character, shift the 3 bytes (18 bits) chunk
// 4 times in blocks of 6 bits for each character (18, 12, 6, 0)
// and apply logical AND with 0x3F which is the number of
// the previous character in the ASCII table prior to the Base64 Table
// The result is then added to the table to get the character to write,
// and finally write it in the result pointer but with a left shift
// of 256 (1 byte) - 8 (1 ASCII char) = 248 bits
mstore8(resultPtr, mload(add(tablePtr, and(shr(18, input), 0x3F))))
resultPtr := add(resultPtr, 1) // Advance
mstore8(resultPtr, mload(add(tablePtr, and(shr(12, input), 0x3F))))
resultPtr := add(resultPtr, 1) // Advance
mstore8(resultPtr, mload(add(tablePtr, and(shr(6, input), 0x3F))))
resultPtr := add(resultPtr, 1) // Advance
mstore8(resultPtr, mload(add(tablePtr, and(input, 0x3F))))
resultPtr := add(resultPtr, 1) // Advance
}
// When data `bytes` is not exactly 3 bytes long
// it is padded with `=` characters at the end
switch mod(mload(data), 3)
case 1 {
mstore8(sub(resultPtr, 1), 0x3d)
mstore8(sub(resultPtr, 2), 0x3d)
}
case 2 {
mstore8(sub(resultPtr, 1), 0x3d)
}
}
return result;
}
}

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@ -2,10 +2,12 @@
pragma solidity ^0.8.17;
import "./ERC1155.sol";
import "./ICurio.sol";
import "./IMastersFedi.sol";
import "./SafeMath.sol";
import "./Address.sol";
import "./IERC1155Metadata.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/utils/Base64.sol";
contract CurioERC1155Wrapper is ERC1155, ERC1155Metadata_URI {
using SafeMath for uint256;
@ -90,7 +92,7 @@ contract CurioERC1155Wrapper is ERC1155, ERC1155Metadata_URI {
function wrap(uint256 _id, uint256 _quantity) external {
address tokenContract = contracts[_id];
require(tokenContract != address(0), "invalid id");
ICurio curio = ICurio(tokenContract);
IMastersFedi curio = IMastersFedi(tokenContract);
// these are here for convenience because curio contract doesn't throw meaningful exceptions
require(curio.balanceOf(msg.sender) >= _quantity, "insufficient curio balance");
@ -124,7 +126,7 @@ contract CurioERC1155Wrapper is ERC1155, ERC1155Metadata_URI {
address tokenContract = contracts[_id];
require(tokenContract != address(0), "invalid id");
ICurio curio = ICurio(tokenContract);
IMastersFedi curio = IMastersFedi(tokenContract);
require(curio.balanceOf(msg.sender) >= _quantity, "insufficient curio balance");
require(curio.allowance(msg.sender, address(this)) >= _quantity, "insufficient curio allowance");
@ -149,7 +151,7 @@ contract CurioERC1155Wrapper is ERC1155, ERC1155Metadata_URI {
function unwrap(uint256 _id, uint256 _quantity) external {
address tokenContract = contracts[_id];
require(tokenContract != address(0), "invalid id");
ICurio curio = ICurio(tokenContract);
IMastersFedi curio = IMastersFedi(tokenContract);
require(balances[_id][msg.sender] >= _quantity, "insufficient balance");
balances[_id][msg.sender] = balances[_id][msg.sender].sub(_quantity);
@ -172,7 +174,7 @@ contract CurioERC1155Wrapper is ERC1155, ERC1155Metadata_URI {
address tokenContract = contracts[_id];
require(tokenContract != address(0), "invalid id");
ICurio curio = ICurio(tokenContract);
IMastersFedi curio = IMastersFedi(tokenContract);
require(balances[_id][msg.sender] >= _quantity, "insufficient balance");
balances[_id][msg.sender] = balances[_id][msg.sender].sub(_quantity);

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@ -0,0 +1,14 @@
// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity ^0.8.17;
// Masters of the Fediverse is not quite ERC-20 compliant
interface IMastersFedi {
function balanceOf(address account) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function transferFrom(address _from, address _to, uint256 _value) external;
function transfer(address _to, uint256 _value) external;
function ipfs_hash() external view returns (string memory);
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function description() external view returns (string memory);
}

13
package-lock.json generated
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@ -8,6 +8,9 @@
"name": "curio-wrapper",
"version": "1.0.0",
"license": "ISC",
"dependencies": {
"@openzeppelin/contracts": "^4.8.1"
},
"devDependencies": {
"@truffle/hdwallet-provider": "^1.7.0",
"ganache": "^7.7.3",
@ -1278,6 +1281,11 @@
"@jridgewell/sourcemap-codec": "1.4.14"
}
},
"node_modules/@openzeppelin/contracts": {
"version": "4.8.1",
"resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.8.1.tgz",
"integrity": "sha512-xQ6eUZl+RDyb/FiZe1h+U7qr/f4p/SrTSQcTPH2bjur3C5DbuW/zFgCU/b1P/xcIaEqJep+9ju4xDRi3rmChdQ=="
},
"node_modules/@protobufjs/aspromise": {
"version": "1.1.2",
"resolved": "https://registry.npmjs.org/@protobufjs/aspromise/-/aspromise-1.1.2.tgz",
@ -12336,6 +12344,11 @@
"@jridgewell/sourcemap-codec": "1.4.14"
}
},
"@openzeppelin/contracts": {
"version": "4.8.1",
"resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.8.1.tgz",
"integrity": "sha512-xQ6eUZl+RDyb/FiZe1h+U7qr/f4p/SrTSQcTPH2bjur3C5DbuW/zFgCU/b1P/xcIaEqJep+9ju4xDRi3rmChdQ=="
},
"@protobufjs/aspromise": {
"version": "1.1.2",
"resolved": "https://registry.npmjs.org/@protobufjs/aspromise/-/aspromise-1.1.2.tgz",

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@ -19,5 +19,8 @@
"@truffle/hdwallet-provider": "^1.7.0",
"ganache": "^7.7.3",
"truffle": "^5.7.4"
},
"dependencies": {
"@openzeppelin/contracts": "^4.8.1"
}
}