otc buyback script

contracts/SB_scripts/mainnet/Main0028_OtcBuyback.sol

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+/* OTC A-EUR buyback using Reserve ETH. Defaulted loans of 2002 A-EUR + monetary board issued of 352.69 A-EUR. */
+
+pragma solidity 0.4.24;
+
+import "../../StabilityBoardProxy.sol";
+import "../../TokenAEur.sol";
+import "../../AugmintReserves.sol";
+import "../../Rates.sol";
+
+contract Main0028_OtcBuyback {
+
+    StabilityBoardProxy public constant STABILITY_BOARD_PROXY = StabilityBoardProxy(0xde36a8773531406dCBefFdfd3C7b89fCed7A9F84);
+
+    TokenAEur public constant NEW_TOKEN_AEUR = TokenAEur(0xc994a2dEb02543Db1f48688438b9903c4b305ce3);
+    AugmintReserves public constant NEW_AUGMINT_RESERVES = AugmintReserves(0x65F30f8DD20c707C1938CcAd7416c7381E6eB9C8);
+    Rates public constant RATES = Rates(0x4272dB2EB82068E898588C3D6e4B5D55c3848793);
+
+    address public constant T8_ADDRESS = 0x7C8bc54446C55E3A10F5F1467D30b0Fd8b9d3e9A;
+
+    uint public constant tokenAmount = 235469;
+
+    function execute(Main0028_OtcBuyback /* self, not used */) external {
+        // called via StabilityBoardProxy
+        require(address(this) == address(STABILITY_BOARD_PROXY), "only execute via StabilityBoardProxy");
+
+        // function convertToWei(bytes32 bSymbol, uint value) external view returns(uint weiValue) {
+        uint weiAmount = RATES.convertToWei(NEW_TOKEN_AEUR.peggedSymbol(), tokenAmount);
+
+        // function migrate(address to, uint weiAmount)
+        NEW_AUGMINT_RESERVES.migrate(T8_ADDRESS, weiAmount);
+    }
+}

mainnet_migrations/40_deploy_Main0028_OtcBuyback.js

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+const Main0028_OtcBuyback = artifacts.require("./Main0028_OtcBuyback.sol");
+
+module.exports = function(deployer) {
+    deployer.then(async () => {
+        await deployer.deploy(Main0028_OtcBuyback);
+    });
+};