41 lines
1.2 KiB
Nim
41 lines
1.2 KiB
Nim
import std/math
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import pkg/nitro
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import pkg/questionable/results
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import ../peercontext
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export nitro
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export results
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export peercontext
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push: {.upraises: [].}
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const ChainId = 0.u256 # invalid chain id 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*(wallet: var Wallet,
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hub: EthAddress,
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asset: EthAddress): ?!ChannelId =
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wallet.openLedgerChannel(hub, ChainId, asset, AmountPerChannel)
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func getOrOpenChannel(wallet: var Wallet, peer: BitswapPeerCtx): ?!ChannelId =
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if channel =? peer.paymentChannel:
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success channel
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elif pricing =? peer.pricing:
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let channel = ?wallet.openLedgerChannel(pricing.address, pricing.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 pricing set for peer"
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func pay*(wallet: var Wallet,
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peer: BitswapPeerCtx,
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amountOfBytes: int): ?!SignedState =
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if pricing =? peer.pricing:
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let amount = amountOfBytes.u256 * pricing.price
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let asset = pricing.asset
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let receiver = pricing.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 pricing set for peer"
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