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-rw-r--r--python/eth_badge/data/BadgeToken.bin2
-rw-r--r--python/eth_badge/data/BadgeToken.json2
-rw-r--r--python/eth_erc721/erc721.py20
-rw-r--r--python/tests/test_app.py11
-rw-r--r--solidity/BadgeToken.sol41
5 files changed, 74 insertions, 2 deletions
diff --git a/python/eth_badge/data/BadgeToken.bin b/python/eth_badge/data/BadgeToken.bin
index ffa65a3..fd91715 100644
--- a/python/eth_badge/data/BadgeToken.bin
+++ b/python/eth_badge/data/BadgeToken.bin
@@ -1 +1 @@
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diff --git a/python/eth_badge/data/BadgeToken.json b/python/eth_badge/data/BadgeToken.json
index 87f4080..509b091 100644
--- a/python/eth_badge/data/BadgeToken.json
+++ b/python/eth_badge/data/BadgeToken.json
@@ -1 +1 @@
-[{"inputs":[{"internalType":"address","name":"_declarator","type":"address"},{"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":"_minter","type":"address"},{"indexed":true,"internalType":"address","name":"_beneficiary","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","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"},{"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"},{"indexed":false,"internalType":"bytes32","name":"_data","type":"bytes32"}],"name":"TransferWithData","type":"event"},{"inputs":[{"internalType":"address","name":"_approved","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"declarator","outputs":[{"internalType":"address","name":"","type":"address"}],"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":"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":"address","name":"_beneficiary","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"mintTo","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"mintedAt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","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"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]
+[{"inputs":[{"internalType":"address","name":"_declarator","type":"address"},{"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":"_minter","type":"address"},{"indexed":true,"internalType":"address","name":"_beneficiary","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","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"},{"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"},{"indexed":false,"internalType":"bytes32","name":"_data","type":"bytes32"}],"name":"TransferWithData","type":"event"},{"inputs":[{"internalType":"address","name":"_approved","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"declarator","outputs":[{"internalType":"address","name":"","type":"address"}],"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":"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":"address","name":"_beneficiary","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"mintTo","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"mintedAt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","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"},{"inputs":[{"internalType":"bytes32","name":"_data","type":"bytes32"}],"name":"toAscii","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]
diff --git a/python/eth_erc721/erc721.py b/python/eth_erc721/erc721.py
index a06b1e7..95c4b14 100644
--- a/python/eth_erc721/erc721.py
+++ b/python/eth_erc721/erc721.py
@@ -129,6 +129,21 @@ class ERC721(ERC20, EIP173):
return o
+ def token_uri(self, contract_address, token_id, sender_address=ZERO_ADDRESS):
+ o = jsonrpc_template()
+ o['method'] = 'eth_call'
+ enc = ABIContractEncoder()
+ enc.method('tokenURI')
+ enc.typ(ABIContractType.UINT256)
+ enc.uint256(token_id)
+ data = add_0x(enc.get())
+ tx = self.template(sender_address, contract_address)
+ tx = self.set_code(tx, data)
+ o['params'].append(self.normalize(tx))
+ o['params'].append('latest')
+ return o
+
+
@classmethod
def parse_owner_of(self, v):
return abi_decode_single(ABIContractType.ADDRESS, v)
@@ -162,3 +177,8 @@ class ERC721(ERC20, EIP173):
@classmethod
def parse_get_approved(self, v):
return abi_decode_single(ABIContractType.ADDRESS, v)
+
+
+ @classmethod
+ def parse_token_uri(self, v):
+ return abi_decode_single(ABIContractType.STRING, v)
diff --git a/python/tests/test_app.py b/python/tests/test_app.py
index b2cd25b..16ecadb 100644
--- a/python/tests/test_app.py
+++ b/python/tests/test_app.py
@@ -245,5 +245,16 @@ class Test(EthTesterCase):
self.assertEqual(self.accounts[4], owner_address)
+ def test_token_uri(self):
+ token_bytes = b'\xee' * 32
+ token_id = int.from_bytes(token_bytes, byteorder='big')
+ c = self._mint(self.accounts[1], token_id)
+
+ o = c.token_uri(self.address, token_id, sender_address=self.accounts[0])
+ r = self.rpc.do(o)
+ uri = c.parse_token_uri(r)
+ self.assertEqual(uri, 'sha256://' + token_bytes.hex())
+
+
if __name__ == '__main__':
unittest.main()
diff --git a/solidity/BadgeToken.sol b/solidity/BadgeToken.sol
index bc34c14..8a62cae 100644
--- a/solidity/BadgeToken.sol
+++ b/solidity/BadgeToken.sol
@@ -156,6 +156,47 @@ contract BadgeToken {
return tokenOwnerIndex[_owner][_index];
}
+ // TODO: move to library function?
+ function toAscii(bytes32 _data) public pure returns(string memory) {
+ bytes memory out;
+ uint8 t;
+ uint256 c;
+
+ out = new bytes(64 + 9);
+ out[0] = "s";
+ out[1] = "h";
+ out[2] = "a";
+ out[3] = "2";
+ out[4] = "5";
+ out[5] = "6";
+ out[6] = ":";
+ out[7] = "/";
+ out[8] = "/";
+
+ c = 9;
+ for (uint256 i = 0; i < 32; i++) {
+ t = uint8(_data[i]) & 0x0f;
+ if (t < 10) {
+ out[c] = bytes1(t + 0x30);
+ } else {
+ out[c] = bytes1(t + 0x57);
+ }
+ t = (uint8(_data[i]) & 0xf0) >> 4;
+ if (t < 10) {
+ out[c+1] = bytes1(t + 0x30);
+ } else {
+ out[c+1] = bytes1(t + 0x57);
+ }
+ c += 2;
+ }
+ return string(out);
+ }
+
+ // ERC-721 (Metadata - optional)
+ function tokenURI(uint256 _tokenId) public view returns (string memory) {
+ return toAscii(bytes32(token[tokenIndex[_tokenId]]));
+ }
+
// Minter
function mintTo(address _beneficiary, uint256 _tokenId) external returns (bool) {
require(owner == msg.sender);