41 lines
1.2 KiB
Nim
41 lines
1.2 KiB
Nim
|
import std/math
|
||
|
|
import pkg/nitro
|
||
|
|
import pkg/questionable/results
|
||
|
|
import ../peercontext
|
||
|
|
|
||
|
|
export nitro
|
||
|
|
export results
|
||
|
|
export peercontext
|
||
|
|
|
||
|
|
push: {.upraises: [].}
|
||
|
|
|
||
|
|
const ChainId = 0.u256 # invalid chain id for now
|
||
|
|
const AmountPerChannel = (10^18).u256 # 1 asset, ERC20 default is 18 decimals
|
||
|
|
|
||
|
|
func openLedgerChannel*(wallet: var Wallet,
|
||
|
|
hub: EthAddress,
|
||
|
|
asset: EthAddress): ?!ChannelId =
|
||
|
|
wallet.openLedgerChannel(hub, ChainId, asset, AmountPerChannel)
|
||
|
|
|
||
|
|
func getOrOpenChannel(wallet: var Wallet, peer: BitswapPeerCtx): ?!ChannelId =
|
||
|
|
if channel =? peer.paymentChannel:
|
||
|
|
channel.success
|
||
|
|
elif pricing =? peer.pricing:
|
||
|
|
let channel = ?wallet.openLedgerChannel(pricing.address, pricing.asset)
|
||
|
|
peer.paymentChannel = channel.some
|
||
|
|
channel.success
|
||
|
|
else:
|
||
|
|
ChannelId.failure "no pricing set for peer"
|
||
|
|
|
||
|
|
func pay*(wallet: var Wallet,
|
||
|
|
peer: BitswapPeerCtx,
|
||
|
|
amountOfBytes: int): ?!SignedState =
|
||
|
|
if pricing =? peer.pricing:
|
||
|
|
let amount = amountOfBytes.u256 * pricing.price
|
||
|
|
let asset = pricing.asset
|
||
|
|
let receiver = pricing.address
|
||
|
|
let channel = ?wallet.getOrOpenChannel(peer)
|
||
|
|
wallet.pay(channel, asset, receiver, amount)
|
||
|
|
else:
|
||
|
|
SignedState.failure "no pricing set for peer"
|