Initial commit

AccountsIndex.sol

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+pragma solidity >=0.6.12;
+
+// Author:	Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
+// SPDX-License-Identifier:	GPL-3.0-or-later
+// File-version: 1
+
+
+abstract contract AccountsIndex {
+        address[] public accounts;
+        mapping(address => uint256) public accountsIndex;
+        uint256 public count;
+
+	event AccountAdded(address indexed addedAccount, uint256 indexed accountIndex);
+
+	function addWriter(address _writer) public virtual returns (bool);
+	function deleteWriter(address _writer) public virtual returns (bool);
+	function add(address _account) external virtual returns (bool);
+	function have(address _account) external virtual view returns (bool);
+}

ERC20.sol

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+pragma solidity >=0.6.12;
+
+// Author:	Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
+// SPDX-License-Identifier:	GPL-3.0-or-later
+// File-version: 1
+// Description: The ERC20 standard interface as specified in EIP20 (sha256:9f843cbb25a737c9351b0b6a6f54b86864490d0d5284f6877b4929d481d34312)
+
+
+abstract contract ERC20Core {
+	string public name;
+	string public symbol;
+	uint8 public decimals;
+	uint256 public totalSupply;
+	mapping (address => uint256) public balanceOf;
+	mapping (address => mapping (address => uint256)) public allowance;
+
+	event Transfer(address indexed _from, address indexed _to, uint256 _value);
+	event Approval(address indexed _owner, address indexed _spender, uint256 _value);
+
+	function transfer(address _to, uint256 _value) public virtual returns (bool);
+	function transferFrom(address _from, address _to, uint256 _value) public virtual returns (bool);
+	function approve(address _spender, uint256 _value) public virtual returns (bool);
+}

Faucet.sol

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+pragma solidity >=0.6.12;
+
+// Author:	Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
+// SPDX-License-Identifier:	GPL-3.0-or-later
+// File-version: 1
+
+
+abstract contract Faucet {
+	uint256 public amount;
+	address public token;
+
+	event FaucetUsed(address indexed _recipient, address indexed _token, uint256 _value);
+	event FaucetFail(address indexed _recipient, address indexed _token, uint256 _value);
+
+	function setAmount(uint256 _amount) public virtual returns (bool);
+	function giveTo(address _recipient) public virtual returns (bool);
+}

Makefile

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+# Author:	Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
+# SPDX-License-Identifier:	GPL-3.0-or-later
+# File-version: 1
+
+INPUTS = $(wildcard *.sol)
+OUTPUTS = $(patsubst %.sol, %.abi, $(INPUTS))
+
+%.abi:
+	solc $(basename $@).sol --abi | awk 'NR>3' > $@
+
+all: $(OUTPUTS)
+
+clean:
+	rm -vf *.abi
+
+.PHONY: clean

TransferApproval.sol

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+pragma solidity >=0.6.12;
+
+// Author:	Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
+// SPDX-License-Identifier:	GPL-3.0-or-later
+// File-version: 1
+
+
+abstract contract TransferApproval {
+	uint256 public serial;
+	mapping(uint256 => address) public requests;
+	mapping(address => bool) public approvers;
+
+	event NewRequest(address indexed _sender, address indexed _recipient, address indexed _token, uint256 _value, uint256 _serial);
+	event NewExecution(uint256 serial);
+	event NewRejection(uint256 serial);
+
+	function request(address _recipient, address _token, uint256 _value) public virtual returns (uint256);
+	function execute(uint256 _serial) public virtual returns (bool);
+	function reject(uint256 _serial) public virtual returns (bool);
+}