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41 lines
1.5 KiB
Go
41 lines
1.5 KiB
Go
// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package payment
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import (
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"io"
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"math/big"
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)
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// Payment is the way the light client pays to the les server. Payment can be
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// implemented in many different ways, such as off-chain payment, on-chain payment.
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// All available payments must implement the following functions.
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type Payment interface {
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// Pay initiates a payment to the designated payee with specified
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// payemnt amount.
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Pay(amount *big.Int) error
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// Receive receives a payment from the payer and returns any error
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// for payment processing and proving.
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Receive(msg io.Reader) error
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// Amend amends the local payment db based on the received message.
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Amend(msg io.Reader) error
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// Close exits the payment and opens the reqeust to withdraw all funds.
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Close() error
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}
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