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https://github.com/logos-storage/nim-nitro.git
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a15660f70f
There's a new byteutils in newer versions of stew - also, remove upraises and disable windows testing which requires SSL library install
45 lines
1.2 KiB
Nim
45 lines
1.2 KiB
Nim
import std/tables
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import std/sequtils
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import ../basics
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import ../protocol
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{.push raises: [].}
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export tables
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type
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Balances* = OrderedTable[Destination, UInt256]
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func `balances`*(outcome: Outcome, asset: EthAddress): ?Balances =
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for assetOutcome in seq[AssetOutcome](outcome):
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if assetOutcome.assetHolder == asset:
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if assetOutcome.kind == allocationType:
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let allocation = assetOutcome.allocation
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let items = seq[AllocationItem](allocation)
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return items.toOrderedTable.some
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Balances.none
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func `update`*(outcome: var Outcome, asset: EthAddress, table: Balances) =
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for assetOutcome in seq[AssetOutcome](outcome).mitems:
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if assetOutcome.assetHolder == asset:
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if assetOutcome.kind == allocationType:
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assetOutcome.allocation = Allocation(toSeq(table.pairs))
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func move*(balances: var Balances,
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source: Destination,
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destination: Destination,
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amount: UInt256): ?!void =
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try:
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if balances[source] < amount:
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return failure "insufficient funds"
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balances[source] -= amount
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if (balances.contains(destination)):
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balances[destination] += amount
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else:
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balances[destination] = amount
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success()
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except KeyError:
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failure "no funds"
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