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48 lines
1.5 KiB
Nim
48 lines
1.5 KiB
Nim
## Nim-Codex
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## Copyright (c) 2021 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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import std/math
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import pkg/nitro
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import pkg/questionable/results
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import ../peers
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export nitro
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export results
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push:
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{.upraises: [].}
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const ChainId* = 0.u256 # invalid chain id for now
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const Asset* = EthAddress.zero # invalid ERC20 asset address for now
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const AmountPerChannel = (10'u64 ^ 18).u256 # 1 asset, ERC20 default is 18 decimals
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func openLedgerChannel*(
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wallet: WalletRef, hub: EthAddress, asset: EthAddress
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): ?!ChannelId =
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wallet.openLedgerChannel(hub, ChainId, asset, AmountPerChannel)
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func getOrOpenChannel(wallet: WalletRef, peer: BlockExcPeerCtx): ?!ChannelId =
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if channel =? peer.paymentChannel:
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success channel
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elif account =? peer.account:
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let channel = ?wallet.openLedgerChannel(account.address, Asset)
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peer.paymentChannel = channel.some
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success channel
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else:
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failure "no account set for peer"
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func pay*(wallet: WalletRef, peer: BlockExcPeerCtx, amount: UInt256): ?!SignedState =
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if account =? peer.account:
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let asset = Asset
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let receiver = account.address
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let channel = ?wallet.getOrOpenChannel(peer)
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wallet.pay(channel, asset, receiver, amount)
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else:
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failure "no account set for peer"
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