PaymentManager: 0x0d4f3901798112606e69aea3321f4c501cc95b5c
ABI:
```
"abi": [
    {
      "constant": true,
      "inputs": [],
      "name": "owner",
      "outputs": [
        {
          "name": "",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "newOwner",
          "type": "address"
        }
      ],
      "name": "transferOwnership",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "name": "manager",
          "type": "address"
        },
        {
          "name": "feeManager",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "constructor"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": false,
          "name": "buyer",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "seler",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "amount",
          "type": "uint256"
        },
        {
          "indexed": false,
          "name": "currency",
          "type": "address"
        }
      ],
      "name": "LogChargePaid",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": false,
          "name": "buyer",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "seller",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "amount",
          "type": "uint256"
        },
        {
          "indexed": false,
          "name": "currency",
          "type": "address"
        }
      ],
      "name": "LogChargeRequested",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": false,
          "name": "newCurrencyManager",
          "type": "address"
        }
      ],
      "name": "LogCurrencyManagerChanged",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "previousOwner",
          "type": "address"
        },
        {
          "indexed": true,
          "name": "newOwner",
          "type": "address"
        }
      ],
      "name": "OwnershipTransferred",
      "type": "event"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "newCurrencyManager",
          "type": "address"
        }
      ],
      "name": "changeCurrencyManager",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "kwh",
          "type": "uint256"
        },
        {
          "name": "currency",
          "type": "address"
        },
        {
          "name": "seller",
          "type": "address"
        }
      ],
      "name": "requestPurchase",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "kwh",
          "type": "uint256"
        }
      ],
      "name": "finalizePurchase",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    }
  ]
```