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Solidity code to convert uint to string (v0.5.x)
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| function toAsciiString(address x) public view returns (string memory) { | |
| bytes memory s = new bytes(40); | |
| for (uint i = 0; i < 20; i++) { | |
| byte b = byte(uint8(uint(x) / (2**(8*(19 - i))))); | |
| byte hi = byte(uint8(b) / 16); | |
| byte lo = byte(uint8(b) - 16 * uint8(hi)); | |
| s[2*i] = char(hi); | |
| s[2*i+1] = char(lo); | |
| } | |
| return string(s); | |
| } | |
| function char(byte b) public view returns (byte c) { | |
| if (uint8(b) < 10) return byte(uint8(b) + 0x30); | |
| else return byte(uint8(b) + 0x57); | |
| } |
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| function uint2str(uint _i) internal pure returns (string memory _uintAsString) { | |
| if (_i == 0) { | |
| return "0"; | |
| } | |
| uint j = _i; | |
| uint len; | |
| while (j != 0) { | |
| len++; | |
| j /= 10; | |
| } | |
| bytes memory bstr = new bytes(len); | |
| uint k = len - 1; | |
| while (_i != 0) { | |
| bstr[k--] = byte(uint8(48 + _i % 10)); | |
| _i /= 10; | |
| } | |
| return string(bstr); | |
| } |
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