commit 5c2d7031a4479153fffcd425149dab180db429e8
Author: lash <dev@holbrook.no>
Date: Fri, 16 Dec 2022 13:15:38 +0000
Initial commit
Diffstat:
10 files changed, 258 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,5 @@
+__pycache__
+*.pyc
+egg-info/*
+solidity/*.bin
+solidity/*.json
diff --git a/python/eth_craft_nft/__init__.py b/python/eth_craft_nft/__init__.py
@@ -0,0 +1 @@
+from .nft import CraftNFT
diff --git a/python/eth_craft_nft/data/CraftNFT.bin b/python/eth_craft_nft/data/CraftNFT.bin
@@ -0,0 +1 @@
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+\ No newline at end of file
diff --git a/python/eth_craft_nft/data/CraftNFT.json b/python/eth_craft_nft/data/CraftNFT.json
@@ -0,0 +1 @@
+[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_owner","type":"address"},{"indexed":true,"internalType":"address","name":"_approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_owner","type":"address"},{"indexed":true,"internalType":"address","name":"_operator","type":"address"},{"indexed":false,"internalType":"bool","name":"_approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":true,"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"bytes32","name":"content","type":"bytes32"},{"internalType":"uint48","name":"count","type":"uint48"}],"name":"allocate","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"content","type":"bytes32"},{"internalType":"uint256","name":"superIndex","type":"uint256"},{"internalType":"uint256","name":"startAt","type":"uint256"}],"name":"batchOf","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_truncatedId","type":"bytes32"}],"name":"getDigest","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"content","type":"bytes32"},{"internalType":"uint256","name":"batch","type":"uint256"},{"internalType":"uint48","name":"index","type":"uint48"},{"internalType":"address","name":"recipient","type":"address"}],"name":"mintFromBatchTo","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_tokenId","type":"bytes32"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_operator","type":"address"},{"internalType":"bool","name":"_approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceID","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}]
diff --git a/python/eth_craft_nft/nft.py b/python/eth_craft_nft/nft.py
@@ -0,0 +1,50 @@
+# standard imports
+import os
+
+# external imports
+from chainlib.eth.tx import TxFormat
+from eth_erc721 import ERC721
+from hexathon import strip_0x
+
+moddir = os.path.dirname(__file__)
+datadir = os.path.join(moddir, 'data')
+
+
+class CraftNFT(ERC721):
+
+ __abi = None
+ __bytecode = None
+
+ @staticmethod
+ def abi():
+ if CraftNFT.__abi == None:
+ f = open(os.path.join(datadir, 'CraftNFT.json'), 'r')
+ CraftNFT.__abi = json.load(f)
+ f.close()
+ return CraftNFT.__abi
+
+
+ @staticmethod
+ def bytecode():
+ if CraftNFT.__bytecode == None:
+ f = open(os.path.join(datadir, 'CraftNFT.bin'))
+ CraftNFT.__bytecode = f.read()
+ f.close()
+ return CraftNFT.__bytecode
+
+
+ @staticmethod
+ def gas(code=None):
+ return 4000000
+
+
+ def constructor(self, sender_address, name, symbol, tx_format=TxFormat.JSONRPC):
+ code = CraftNFT.bytecode()
+ enc = ABIContractEncoder()
+ enc.string(name)
+ enc.string(symbol)
+ code += enc.get()
+ tx = self.template(sender_address, None, use_nonce=True)
+ tx = self.set_code(tx, code)
+ return self.finalize(tx, tx_format)
+
diff --git a/python/requirements.txt b/python/requirements.txt
@@ -0,0 +1 @@
+eth-erc721~=0.0.4
diff --git a/python/test_requirements.txt b/python/test_requirements.txt
@@ -0,0 +1,2 @@
+eth_tester==0.5.0b3
+py-evm==0.3.0a20
diff --git a/python/tests/test_basic.py b/python/tests/test_basic.py
@@ -0,0 +1,58 @@
+# standard imports
+import os
+import unittest
+import json
+import logging
+
+# external imports
+from chainlib.eth.unittest.ethtester import EthTesterCase
+from chainlib.connection import RPCConnection
+from chainlib.eth.nonce import RPCNonceOracle
+from chainlib.eth.address import to_checksum_address
+from chainlib.eth.tx import (
+ receipt,
+ transaction,
+ TxFormat,
+ )
+from chainlib.eth.contract import (
+ abi_decode_single,
+ ABIContractType,
+ )
+from chainlib.error import JSONRPCException
+from chainlib.eth.constant import ZERO_ADDRESS
+from hexathon import (
+ add_0x,
+ strip_0x,
+ )
+
+
+# local imports
+from eth_craft_nft import CraftNFT
+
+logging.basicConfig(level=logging.DEBUG)
+logg = logging.getLogger()
+
+testdir = os.path.dirname(__file__)
+
+
+class Test(EthTesterCase):
+
+ def setUp(self):
+ super(Test, self).setUp()
+ nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
+ c = CraftNFT(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+ (tx_hash, o) = c.constructor(self.accounts[0], 'DevBadge', 'DEV')
+ self.conn = RPCConnection.connect(self.chain_spec, 'default')
+ r = self.conn.do(o)
+ logg.debug('deployed with hash {}'.format(r))
+
+ o = receipt(r)
+ r = self.conn.do(o)
+ self.address = to_checksum_address(r['contract_address'])
+
+ def test_basic(self):
+ pass
+
+
+if __name__ == '__main__':
+ unittest.main()
diff --git a/solidity/CraftNFT.sol b/solidity/CraftNFT.sol
@@ -0,0 +1,129 @@
+pragma solidity >= 0.8.0;
+
+contract CraftNFT {
+
+ address owner;
+ bytes32[] tokens;
+ mapping(bytes32 => uint48[]) token;
+ mapping(bytes32 => bytes32) mintedToken;
+ mapping(uint256 => address) tokenAllowance; // backend for approve
+ mapping(address => address) tokenOperator; // backend for setApprovalForAll
+
+ // ERC-721 (Metadata - optional)
+ string public name;
+
+ // ERC-721 (Metadata - optional)
+ string public symbol;
+
+
+ // ERC-721
+ event Transfer(address indexed _from, address indexed _to, uint256 indexed _tokenId);
+ // ERC-721
+ event Approval(address indexed _owner, address indexed _approved, uint256 indexed _tokenId);
+ // ERC-721
+ event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved);
+
+ constructor(string memory _name, string memory _symbol) {
+ owner = msg.sender;
+ name = _name;
+ symbol = _symbol;
+ }
+
+ function getDigest(bytes32 _truncatedId) public view returns (bytes32) {
+ bytes32 digest;
+
+ digest = mintedToken[_truncatedId];
+ require(digest & 0x8000000000000000000000000000000000000000000000000000000000000000 > 0);
+
+ digest >>= 200;
+ digest |= _truncatedId & 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffff000000;
+ return digest;
+ }
+
+ // allocate a batch of tokens
+ function allocate(bytes32 content, uint48 count) public returns (bool) {
+ require(msg.sender == owner);
+ if (token[content].length > 0) {
+ require(token[content][0] > 0);
+ }
+ token[content].push(count);
+ }
+
+ // ERC-721
+ function ownerOf(bytes32 _tokenId) external view returns (address) {
+ return address(bytes20(mintedToken[_tokenId]));
+ }
+
+ function batchOf(bytes32 content, uint256 superIndex, uint256 startAt) public view returns (int256) {
+ for (uint256 i = startAt; i < token[content].length; i++) {
+ if (token[content][i] > uint128(superIndex)) {
+ return int256(i);
+ }
+ }
+ return -1;
+ }
+
+ function mintFromBatchTo(bytes32 content, uint256 batch, uint48 index, address recipient) public returns (bytes32) {
+ bytes32 left;
+ bytes32 right;
+
+ right = content & 0x0000000000000000000000000000000000000000000000000000000000ffffff;
+ right |= 0x8000000000000000000000000000000000000000000000000000000000000000; // "is defined" bit
+ right <<= 200;
+ right |= bytes20(recipient);
+
+ left = content & 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffff000000;
+ left |= bytes6(index);
+
+ mintedToken[left] = right;
+ }
+
+ // ERC-721
+ function balanceOf(address _owner) external view returns (uint256) {
+ return 0;
+ }
+
+ // ERC-721
+ function setApprovalForAll(address _operator, bool _approved) external {
+ if (_approved) {
+ require(tokenOperator[msg.sender] == address(0)); // save a few bucks in gas if fail
+ tokenOperator[msg.sender] = _operator;
+ } else {
+ require(tokenOperator[msg.sender] != address(0));
+ tokenOperator[msg.sender] = address(0);
+ }
+ emit ApprovalForAll(msg.sender, _operator, _approved);
+ }
+
+ // ERC-721
+ function getApproved(uint256 _tokenId) external view returns (address) {
+ return tokenAllowance[_tokenId];
+ }
+
+ // ERC-721
+ function isApprovedForAll(address _owner, address _operator) external view returns (bool) {
+ return tokenOperator[_owner] == _operator;
+ }
+
+ // ERC-721
+ //function ownerOf(uint256 _tokenId) external view returns (address) {
+ // return tokenOwner[_tokenId];
+ //}
+
+ // EIP-165
+ function supportsInterface(bytes4 interfaceID) external pure returns (bool) {
+ if (interfaceID == 0x80ac58cd) { // EIP 721
+ return true;
+ }
+ if (interfaceID == 0x5b5e139f) { // EIP 721 (Metadata - optional)
+ return true;
+ }
+ if (interfaceID == 0x780e9d63) { // EIP 721 (Enumerable - optional)
+ return true;
+ }
+ if (interfaceID == 0x01ffc9a7) { // EIP 165
+ return true;
+ }
+ return false;
+ }
+}
diff --git a/solidity/Makefile b/solidity/Makefile
@@ -0,0 +1,9 @@
+SOLC = /usr/bin/solc
+
+all:
+ $(SOLC) --bin CraftNFT.sol | awk 'NR>3' > CraftNFT.bin
+ truncate -s -1 CraftNFT.bin
+ $(SOLC) --abi CraftNFT.sol | awk 'NR>3' > CraftNFT.json
+
+install: all
+ cp -v CraftNFT*{json,bin} ../python/eth_craft_nft/data/
