340 lines
13 KiB
Nim
340 lines
13 KiB
Nim
# Nimbus
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# Copyright (c) 2018-2019 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) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except
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# according to those terms.
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# Test cases from https://github.com/ethereum/EIPs/blob/master/EIPS/eip-225.md
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import
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../../nimbus/p2p/clique/clique_defs
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type
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TesterVote* = object ## VoterBlock represents a single block signed by a
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## particular account, where the account may or may not
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## have cast a Clique vote.
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signer*: string ## Account that signed this particular block
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voted*: string ## Optional value if the signer voted on
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## adding/removing ## someone
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auth*: bool ## Whether the vote was to authorize (or
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## deauthorize)
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checkpoint*: seq[string] ## List of authorized signers if this is an epoch
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## block
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newbatch*: bool
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TestSpecs* = object ## Define the various voting scenarios to test
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id*: int ## Test id
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info*: string ## Test description
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epoch*: uint64 ## Number of blocks in an epoch (unset = 30000)
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signers*: seq[string] ## Initial list of authorized signers in the
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## genesis
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votes*: seq[TesterVote] ## Chain of signed blocks, potentially influencing
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## auths
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results*: seq[string] ## Final list of authorized signers after all
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## blocks
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failure*: CliqueErrorType ## Failure if some block is invalid according to
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## the rules
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const
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# Define the various voting scenarios to test
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voterSamples* = [
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# clique/snapshot_test.go(108): {
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TestSpecs(
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id: 1,
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info: "Single signer, no votes cast",
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signers: @["A"],
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votes: @[TesterVote(signer: "A")],
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results: @["A"]),
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TestSpecs(
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id: 2,
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info: "Single signer, voting to add two others (only accept first, "&
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"second needs 2 votes)",
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signers: @["A"],
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votes: @[TesterVote(signer: "A", voted: "B", auth: true),
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TesterVote(signer: "B"),
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TesterVote(signer: "A", voted: "C", auth: true)],
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results: @["A", "B"]),
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TestSpecs(
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id: 3,
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info: "Two signers, voting to add three others (only accept first " &
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"two, third needs 3 votes already)",
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signers: @["A", "B"],
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votes: @[TesterVote(signer: "A", voted: "C", auth: true),
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TesterVote(signer: "B", voted: "C", auth: true),
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TesterVote(signer: "A", voted: "D", auth: true),
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TesterVote(signer: "B", voted: "D", auth: true),
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TesterVote(signer: "C"),
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TesterVote(signer: "A", voted: "E", auth: true),
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TesterVote(signer: "B", voted: "E", auth: true)],
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results: @["A", "B", "C", "D"]),
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TestSpecs(
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id: 4,
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info: "Single signer, dropping itself (weird, but one less " &
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"cornercase by explicitly allowing this)",
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signers: @["A"],
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votes: @[TesterVote(signer: "A", voted: "A")]),
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TestSpecs(
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id: 5,
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info: "Two signers, actually needing mutual consent to drop either " &
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"of them (not fulfilled)",
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signers: @["A", "B"],
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votes: @[TesterVote(signer: "A", voted: "B")],
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results: @["A", "B"]),
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TestSpecs(
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id: 6,
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info: "Two signers, actually needing mutual consent to drop either " &
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"of them (fulfilled)",
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signers: @["A", "B"],
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votes: @[TesterVote(signer: "A", voted: "B"),
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TesterVote(signer: "B", voted: "B")],
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results: @["A"]),
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TestSpecs(
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id: 7,
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info: "Three signers, two of them deciding to drop the third",
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signers: @["A", "B", "C"],
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votes: @[TesterVote(signer: "A", voted: "C"),
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TesterVote(signer: "B", voted: "C")],
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results: @["A", "B"]),
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TestSpecs(
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id: 8,
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info: "Four signers, consensus of two not being enough to drop anyone",
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signers: @["A", "B", "C", "D"],
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votes: @[TesterVote(signer: "A", voted: "C"),
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TesterVote(signer: "B", voted: "C")],
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results: @["A", "B", "C", "D"]),
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TestSpecs(
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id: 9,
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info: "Four signers, consensus of three already being enough to " &
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"drop someone",
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signers: @["A", "B", "C", "D"],
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votes: @[TesterVote(signer: "A", voted: "D"),
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TesterVote(signer: "B", voted: "D"),
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TesterVote(signer: "C", voted: "D")],
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results: @["A", "B", "C"]),
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TestSpecs(
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id: 10,
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info: "Authorizations are counted once per signer per target",
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signers: @["A", "B"],
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votes: @[TesterVote(signer: "A", voted: "C", auth: true),
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TesterVote(signer: "B"),
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TesterVote(signer: "A", voted: "C", auth: true),
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TesterVote(signer: "B"),
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TesterVote(signer: "A", voted: "C", auth: true)],
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results: @["A", "B"]),
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TestSpecs(
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id: 11,
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info: "Authorizing multiple accounts concurrently is permitted",
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signers: @["A", "B"],
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votes: @[TesterVote(signer: "A", voted: "C", auth: true),
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TesterVote(signer: "B"),
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TesterVote(signer: "A", voted: "D", auth: true),
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TesterVote(signer: "B"),
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TesterVote(signer: "A"),
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TesterVote(signer: "B", voted: "D", auth: true),
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TesterVote(signer: "A"),
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TesterVote(signer: "B", voted: "C", auth: true)],
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results: @["A", "B", "C", "D"]),
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TestSpecs(
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id: 12,
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info: "Deauthorizations are counted once per signer per target",
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signers: @["A", "B"],
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votes: @[TesterVote(signer: "A", voted: "B"),
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TesterVote(signer: "B"),
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TesterVote(signer: "A", voted: "B"),
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TesterVote(signer: "B"),
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TesterVote(signer: "A", voted: "B")],
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results: @["A", "B"]),
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TestSpecs(
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id: 13,
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info: "Deauthorizing multiple accounts concurrently is permitted",
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signers: @["A", "B", "C", "D"],
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votes: @[TesterVote(signer: "A", voted: "C"),
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TesterVote(signer: "B"),
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TesterVote(signer: "C"),
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TesterVote(signer: "A", voted: "D"),
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TesterVote(signer: "B"),
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TesterVote(signer: "C"),
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TesterVote(signer: "A"),
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TesterVote(signer: "B", voted: "D"),
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TesterVote(signer: "C", voted: "D"),
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TesterVote(signer: "A"),
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TesterVote(signer: "B", voted: "C")],
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results: @["A", "B"]),
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TestSpecs(
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id: 14,
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info: "Votes from deauthorized signers are discarded immediately " &
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"(deauth votes)",
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signers: @["A", "B", "C"],
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votes: @[TesterVote(signer: "C", voted: "B"),
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TesterVote(signer: "A", voted: "C"),
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TesterVote(signer: "B", voted: "C"),
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TesterVote(signer: "A", voted: "B")],
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results: @["A", "B"]),
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TestSpecs(
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id: 15,
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info: "Votes from deauthorized signers are discarded immediately " &
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"(auth votes)",
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signers: @["A", "B", "C"],
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votes: @[TesterVote(signer: "C", voted: "D", auth: true),
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TesterVote(signer: "A", voted: "C"),
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TesterVote(signer: "B", voted: "C"),
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TesterVote(signer: "A", voted: "D", auth: true)],
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results: @["A", "B"]),
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TestSpecs(
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id: 16,
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info: "Cascading changes are not allowed, only the account being " &
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"voted on may change",
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signers: @["A", "B", "C", "D"],
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votes: @[TesterVote(signer: "A", voted: "C"),
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TesterVote(signer: "B"),
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TesterVote(signer: "C"),
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TesterVote(signer: "A", voted: "D"),
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TesterVote(signer: "B", voted: "C"),
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TesterVote(signer: "C"),
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TesterVote(signer: "A"),
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TesterVote(signer: "B", voted: "D"),
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TesterVote(signer: "C", voted: "D")],
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results: @["A", "B", "C"]),
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TestSpecs(
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id: 17,
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info: "Changes reaching consensus out of bounds (via a deauth) " &
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"execute on touch",
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signers: @["A", "B", "C", "D"],
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votes: @[TesterVote(signer: "A", voted: "C"),
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TesterVote(signer: "B"),
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TesterVote(signer: "C"),
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TesterVote(signer: "A", voted: "D"),
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TesterVote(signer: "B", voted: "C"),
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TesterVote(signer: "C"),
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TesterVote(signer: "A"),
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TesterVote(signer: "B", voted: "D"),
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TesterVote(signer: "C", voted: "D"),
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TesterVote(signer: "A"),
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TesterVote(signer: "C", voted: "C", auth: true)],
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results: @["A", "B"]),
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TestSpecs(
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id: 18,
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info: "Changes reaching consensus out of bounds (via a deauth) " &
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"may go out of consensus on first touch",
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signers: @["A", "B", "C", "D"],
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votes: @[TesterVote(signer: "A", voted: "C"),
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TesterVote(signer: "B"),
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TesterVote(signer: "C"),
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TesterVote(signer: "A", voted: "D"),
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TesterVote(signer: "B", voted: "C"),
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TesterVote(signer: "C"),
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TesterVote(signer: "A"),
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TesterVote(signer: "B", voted: "D"),
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TesterVote(signer: "C", voted: "D"),
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TesterVote(signer: "A"),
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TesterVote(signer: "B", voted: "C", auth: true)],
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results: @["A", "B", "C"]),
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TestSpecs(
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id: 19,
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info: "Ensure that pending votes don't survive authorization status " &
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"changes. This corner case can only appear if a signer is " &
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"quickly added, removed and then readded (or the inverse), " &
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"while one of the original voters dropped. If a past vote is " &
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"left cached in the system somewhere, this will interfere " &
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"with the final signer outcome.",
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signers: @["A", "B", "C", "D", "E"],
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votes: @[
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# Authorize F, 3 votes needed
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TesterVote(signer: "A", voted: "F", auth: true),
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TesterVote(signer: "B", voted: "F", auth: true),
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TesterVote(signer: "C", voted: "F", auth: true),
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# Deauthorize F, 4 votes needed (leave A's previous vote "unchanged")
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TesterVote(signer: "D", voted: "F"),
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TesterVote(signer: "E", voted: "F"),
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TesterVote(signer: "B", voted: "F"),
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TesterVote(signer: "C", voted: "F"),
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# Almost authorize F, 2/3 votes needed
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TesterVote(signer: "D", voted: "F", auth: true),
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TesterVote(signer: "E", voted: "F", auth: true),
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# Deauthorize A, 3 votes needed
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TesterVote(signer: "B", voted: "A"),
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TesterVote(signer: "C", voted: "A"),
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TesterVote(signer: "D", voted: "A"),
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# Finish authorizing F, 3/3 votes needed
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TesterVote(signer: "B", voted: "F", auth: true)],
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results: @["B", "C", "D", "E", "F"]),
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TestSpecs(
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id: 20,
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info: "Epoch transitions reset all votes to allow chain checkpointing",
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epoch: 3,
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signers: @["A", "B"],
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votes: @[TesterVote(signer: "A", voted: "C", auth: true),
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TesterVote(signer: "B"),
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TesterVote(signer: "A", checkpoint: @["A", "B"]),
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TesterVote(signer: "B", voted: "C", auth: true)],
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results: @["A", "B"]),
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TestSpecs(
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id: 21,
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info: "An unauthorized signer should not be able to sign blocks",
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signers: @["A"],
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votes: @[TesterVote(signer: "B")],
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failure: errUnauthorizedSigner),
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TestSpecs(
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id: 22,
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info: "An authorized signer that signed recenty should not be able " &
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"to sign again",
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signers: @["A", "B"],
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votes: @[TesterVote(signer: "A"),
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TesterVote(signer: "A")],
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failure: errRecentlySigned),
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TestSpecs(
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id: 23,
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info: "Recent signatures should not reset on checkpoint blocks " &
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"imported in a batch " &
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"(https://github.com/ethereum/go-ethereum/issues/17593). "&
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"Whilst this seems overly specific and weird, it was a "&
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"Rinkeby consensus split.",
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epoch: 3,
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signers: @["A", "B", "C"],
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votes: @[TesterVote(signer: "A"),
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TesterVote(signer: "B"),
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TesterVote(signer: "A", checkpoint: @["A", "B", "C"]),
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TesterVote(signer: "A", newbatch: true)],
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failure: errRecentlySigned)]
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static:
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# For convenience, make sure that IDs are increasing
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for n in 1 ..< voterSamples.len:
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if voterSamples[n-1].id < voterSamples[n].id:
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continue
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echo "voterSamples[", n, "] == ", voterSamples[n].id, " expected ",
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voterSamples[n-1].id + 1, " or greater"
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doAssert voterSamples[n-1].id < voterSamples[n].id
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# End
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