44 lines
1.2 KiB
Nim
44 lines
1.2 KiB
Nim
# Nimbus
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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
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accounts/manager,
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stew/results,
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eth/keys
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export manager
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type
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EthContext* = ref object
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am*: AccountsManager
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# You should only create one instance of the RNG per application / library
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# Ref is used so that it can be shared between components
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rng*: ref HmacDrbgContext
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proc newEthContext*(): EthContext =
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result = new(EthContext)
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result.am = AccountsManager.init()
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result.rng = newRng()
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proc randomPrivateKey*(ctx: EthContext): PrivateKey =
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random(PrivateKey, ctx.rng[])
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proc randomKeyPair*(ctx: EthContext): KeyPair =
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random(KeyPair, ctx.rng[])
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proc hexToKeyPair*(ctx: EthContext, hexPrivateKey: string): Result[KeyPair, string] =
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if hexPrivateKey.len == 0:
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let privateKey = ctx.randomPrivateKey()
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ok(privateKey.toKeyPair())
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else:
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let res = PrivateKey.fromHex(hexPrivateKey)
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if res.isErr:
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return err($res.error)
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ok(res.get().toKeyPair())
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