mirror of https://github.com/poanetwork/quorum.git
375 lines
14 KiB
Go
375 lines
14 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package release
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import (
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"crypto/ecdsa"
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"math/big"
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"testing"
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"github.com/ethereum/go-ethereum/accounts/abi/bind"
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"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/crypto"
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)
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// setupReleaseTest creates a blockchain simulator and deploys a version oracle
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// contract for testing.
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func setupReleaseTest(t *testing.T, prefund ...*ecdsa.PrivateKey) (*ecdsa.PrivateKey, *ReleaseOracle, *backends.SimulatedBackend) {
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// Generate a new random account and a funded simulator
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key, _ := crypto.GenerateKey()
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auth := bind.NewKeyedTransactor(key)
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alloc := core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}
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for _, key := range prefund {
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alloc[crypto.PubkeyToAddress(key.PublicKey)] = core.GenesisAccount{Balance: big.NewInt(10000000000)}
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}
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sim := backends.NewSimulatedBackend(alloc)
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// Deploy a version oracle contract, commit and return
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_, _, oracle, err := DeployReleaseOracle(auth, sim, []common.Address{auth.From})
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if err != nil {
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t.Fatalf("Failed to deploy version contract: %v", err)
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}
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sim.Commit()
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return key, oracle, sim
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}
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// Tests that the version contract can be deployed and the creator is assigned
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// the sole authorized signer.
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func TestContractCreation(t *testing.T) {
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key, oracle, _ := setupReleaseTest(t)
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owner := crypto.PubkeyToAddress(key.PublicKey)
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signers, err := oracle.Signers(nil)
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if err != nil {
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t.Fatalf("Failed to retrieve list of signers: %v", err)
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}
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if len(signers) != 1 || signers[0] != owner {
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t.Fatalf("Initial signer mismatch: have %v, want %v", signers, owner)
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}
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}
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// Tests that subsequent signers can be promoted, each requiring half plus one
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// votes for it to pass through.
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func TestSignerPromotion(t *testing.T) {
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// Prefund a few accounts to authorize with and create the oracle
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keys := make([]*ecdsa.PrivateKey, 5)
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for i := 0; i < len(keys); i++ {
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keys[i], _ = crypto.GenerateKey()
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}
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key, oracle, sim := setupReleaseTest(t, keys...)
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// Gradually promote the keys, until all are authorized
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keys = append([]*ecdsa.PrivateKey{key}, keys...)
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for i := 1; i < len(keys); i++ {
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// Check that no votes are accepted from the not yet authed user
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if _, err := oracle.Promote(bind.NewKeyedTransactor(keys[i]), common.Address{}); err != nil {
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t.Fatalf("Iter #%d: failed invalid promotion attempt: %v", i, err)
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}
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sim.Commit()
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pend, err := oracle.AuthProposals(nil)
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if err != nil {
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t.Fatalf("Iter #%d: failed to retrieve active proposals: %v", i, err)
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}
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if len(pend) != 0 {
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t.Fatalf("Iter #%d: proposal count mismatch: have %d, want 0", i, len(pend))
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}
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// Promote with half - 1 voters and check that the user's not yet authorized
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for j := 0; j < i/2; j++ {
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if _, err = oracle.Promote(bind.NewKeyedTransactor(keys[j]), crypto.PubkeyToAddress(keys[i].PublicKey)); err != nil {
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t.Fatalf("Iter #%d: failed valid promotion attempt: %v", i, err)
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}
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}
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sim.Commit()
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signers, err := oracle.Signers(nil)
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if err != nil {
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t.Fatalf("Iter #%d: failed to retrieve list of signers: %v", i, err)
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}
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if len(signers) != i {
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t.Fatalf("Iter #%d: signer count mismatch: have %v, want %v", i, len(signers), i)
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}
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// Promote with the last one needed to pass the promotion
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if _, err = oracle.Promote(bind.NewKeyedTransactor(keys[i/2]), crypto.PubkeyToAddress(keys[i].PublicKey)); err != nil {
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t.Fatalf("Iter #%d: failed valid promotion completion attempt: %v", i, err)
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}
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sim.Commit()
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signers, err = oracle.Signers(nil)
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if err != nil {
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t.Fatalf("Iter #%d: failed to retrieve list of signers: %v", i, err)
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}
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if len(signers) != i+1 {
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t.Fatalf("Iter #%d: signer count mismatch: have %v, want %v", i, len(signers), i+1)
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}
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}
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}
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// Tests that subsequent signers can be demoted, each requiring half plus one
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// votes for it to pass through.
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func TestSignerDemotion(t *testing.T) {
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// Prefund a few accounts to authorize with and create the oracle
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keys := make([]*ecdsa.PrivateKey, 5)
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for i := 0; i < len(keys); i++ {
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keys[i], _ = crypto.GenerateKey()
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}
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key, oracle, sim := setupReleaseTest(t, keys...)
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// Authorize all the keys as valid signers and verify cardinality
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keys = append([]*ecdsa.PrivateKey{key}, keys...)
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for i := 1; i < len(keys); i++ {
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for j := 0; j <= i/2; j++ {
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if _, err := oracle.Promote(bind.NewKeyedTransactor(keys[j]), crypto.PubkeyToAddress(keys[i].PublicKey)); err != nil {
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t.Fatalf("Iter #%d: failed valid promotion attempt: %v", i, err)
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}
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}
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sim.Commit()
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}
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signers, err := oracle.Signers(nil)
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if err != nil {
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t.Fatalf("Failed to retrieve list of signers: %v", err)
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}
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if len(signers) != len(keys) {
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t.Fatalf("Signer count mismatch: have %v, want %v", len(signers), len(keys))
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}
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// Gradually demote users until we run out of signers
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for i := len(keys) - 1; i >= 0; i-- {
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// Demote with half - 1 voters and check that the user's not yet dropped
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for j := 0; j < (i+1)/2; j++ {
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if _, err = oracle.Demote(bind.NewKeyedTransactor(keys[j]), crypto.PubkeyToAddress(keys[i].PublicKey)); err != nil {
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t.Fatalf("Iter #%d: failed valid demotion attempt: %v", len(keys)-i, err)
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}
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}
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sim.Commit()
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signers, err := oracle.Signers(nil)
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if err != nil {
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t.Fatalf("Iter #%d: failed to retrieve list of signers: %v", len(keys)-i, err)
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}
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if len(signers) != i+1 {
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t.Fatalf("Iter #%d: signer count mismatch: have %v, want %v", len(keys)-i, len(signers), i+1)
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}
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// Demote with the last one needed to pass the demotion
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if _, err = oracle.Demote(bind.NewKeyedTransactor(keys[(i+1)/2]), crypto.PubkeyToAddress(keys[i].PublicKey)); err != nil {
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t.Fatalf("Iter #%d: failed valid demotion completion attempt: %v", i, err)
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}
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sim.Commit()
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signers, err = oracle.Signers(nil)
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if err != nil {
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t.Fatalf("Iter #%d: failed to retrieve list of signers: %v", len(keys)-i, err)
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}
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if len(signers) != i {
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t.Fatalf("Iter #%d: signer count mismatch: have %v, want %v", len(keys)-i, len(signers), i)
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}
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// Check that no votes are accepted from the already demoted users
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if _, err = oracle.Promote(bind.NewKeyedTransactor(keys[i]), common.Address{}); err != nil {
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t.Fatalf("Iter #%d: failed invalid promotion attempt: %v", i, err)
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}
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sim.Commit()
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pend, err := oracle.AuthProposals(nil)
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if err != nil {
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t.Fatalf("Iter #%d: failed to retrieve active proposals: %v", i, err)
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}
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if len(pend) != 0 {
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t.Fatalf("Iter #%d: proposal count mismatch: have %d, want 0", i, len(pend))
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}
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}
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}
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// Tests that new versions can be released, honouring both voting rights as well
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// as the minimum required vote count.
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func TestVersionRelease(t *testing.T) {
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// Prefund a few accounts to authorize with and create the oracle
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keys := make([]*ecdsa.PrivateKey, 5)
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for i := 0; i < len(keys); i++ {
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keys[i], _ = crypto.GenerateKey()
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}
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key, oracle, sim := setupReleaseTest(t, keys...)
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// Track the "current release"
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var (
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verMajor = uint32(0)
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verMinor = uint32(0)
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verPatch = uint32(0)
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verCommit = [20]byte{}
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)
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// Gradually push releases, always requiring more signers than previously
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keys = append([]*ecdsa.PrivateKey{key}, keys...)
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for i := 1; i < len(keys); i++ {
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// Check that no votes are accepted from the not yet authed user
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if _, err := oracle.Release(bind.NewKeyedTransactor(keys[i]), 0, 0, 0, [20]byte{0}); err != nil {
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t.Fatalf("Iter #%d: failed invalid release attempt: %v", i, err)
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}
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sim.Commit()
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prop, err := oracle.ProposedVersion(nil)
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if err != nil {
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t.Fatalf("Iter #%d: failed to retrieve active proposal: %v", i, err)
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}
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if len(prop.Pass) != 0 {
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t.Fatalf("Iter #%d: proposal vote count mismatch: have %d, want 0", i, len(prop.Pass))
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}
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// Authorize the user to make releases
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for j := 0; j <= i/2; j++ {
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if _, err = oracle.Promote(bind.NewKeyedTransactor(keys[j]), crypto.PubkeyToAddress(keys[i].PublicKey)); err != nil {
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t.Fatalf("Iter #%d: failed valid promotion attempt: %v", i, err)
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}
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}
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sim.Commit()
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// Propose release with half voters and check that the release does not yet go through
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for j := 0; j < (i+1)/2; j++ {
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if _, err = oracle.Release(bind.NewKeyedTransactor(keys[j]), uint32(i), uint32(i+1), uint32(i+2), [20]byte{byte(i + 3)}); err != nil {
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t.Fatalf("Iter #%d: failed valid release attempt: %v", i, err)
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}
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}
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sim.Commit()
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ver, err := oracle.CurrentVersion(nil)
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if err != nil {
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t.Fatalf("Iter #%d: failed to retrieve current version: %v", i, err)
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}
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if ver.Major != verMajor || ver.Minor != verMinor || ver.Patch != verPatch || ver.Commit != verCommit {
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t.Fatalf("Iter #%d: version mismatch: have %d.%d.%d-%x, want %d.%d.%d-%x", i, ver.Major, ver.Minor, ver.Patch, ver.Commit, verMajor, verMinor, verPatch, verCommit)
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}
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// Pass the release and check that it became the next version
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verMajor, verMinor, verPatch, verCommit = uint32(i), uint32(i+1), uint32(i+2), [20]byte{byte(i + 3)}
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if _, err = oracle.Release(bind.NewKeyedTransactor(keys[(i+1)/2]), uint32(i), uint32(i+1), uint32(i+2), [20]byte{byte(i + 3)}); err != nil {
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t.Fatalf("Iter #%d: failed valid release completion attempt: %v", i, err)
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}
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sim.Commit()
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ver, err = oracle.CurrentVersion(nil)
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if err != nil {
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t.Fatalf("Iter #%d: failed to retrieve current version: %v", i, err)
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}
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if ver.Major != verMajor || ver.Minor != verMinor || ver.Patch != verPatch || ver.Commit != verCommit {
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t.Fatalf("Iter #%d: version mismatch: have %d.%d.%d-%x, want %d.%d.%d-%x", i, ver.Major, ver.Minor, ver.Patch, ver.Commit, verMajor, verMinor, verPatch, verCommit)
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}
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}
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}
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// Tests that proposed versions can be nuked out of existence.
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func TestVersionNuking(t *testing.T) {
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// Prefund a few accounts to authorize with and create the oracle
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keys := make([]*ecdsa.PrivateKey, 9)
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for i := 0; i < len(keys); i++ {
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keys[i], _ = crypto.GenerateKey()
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}
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key, oracle, sim := setupReleaseTest(t, keys...)
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// Authorize all the keys as valid signers
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keys = append([]*ecdsa.PrivateKey{key}, keys...)
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for i := 1; i < len(keys); i++ {
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for j := 0; j <= i/2; j++ {
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if _, err := oracle.Promote(bind.NewKeyedTransactor(keys[j]), crypto.PubkeyToAddress(keys[i].PublicKey)); err != nil {
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t.Fatalf("Iter #%d: failed valid promotion attempt: %v", i, err)
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}
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}
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sim.Commit()
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}
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// Propose releases with more and more keys, always retaining enough users to nuke the proposals
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for i := 1; i < (len(keys)+1)/2; i++ {
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// Propose release with an initial set of signers
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for j := 0; j < i; j++ {
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if _, err := oracle.Release(bind.NewKeyedTransactor(keys[j]), uint32(i), uint32(i+1), uint32(i+2), [20]byte{byte(i + 3)}); err != nil {
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t.Fatalf("Iter #%d: failed valid proposal attempt: %v", i, err)
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}
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}
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sim.Commit()
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prop, err := oracle.ProposedVersion(nil)
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if err != nil {
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t.Fatalf("Iter #%d: failed to retrieve active proposal: %v", i, err)
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}
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if len(prop.Pass) != i {
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t.Fatalf("Iter #%d: proposal vote count mismatch: have %d, want %d", i, len(prop.Pass), i)
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}
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// Nuke the release with half+1 voters
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for j := i; j <= i+(len(keys)+1)/2; j++ {
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if _, err := oracle.Nuke(bind.NewKeyedTransactor(keys[j])); err != nil {
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t.Fatalf("Iter #%d: failed valid nuke attempt: %v", i, err)
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}
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}
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sim.Commit()
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prop, err = oracle.ProposedVersion(nil)
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if err != nil {
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t.Fatalf("Iter #%d: failed to retrieve active proposal: %v", i, err)
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}
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if len(prop.Pass) != 0 || len(prop.Fail) != 0 {
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t.Fatalf("Iter #%d: proposal vote count mismatch: have %d/%d pass/fail, want 0/0", i, len(prop.Pass), len(prop.Fail))
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}
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}
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}
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// Tests that demoting a signer will auto-nuke the currently pending release.
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func TestVersionAutoNuke(t *testing.T) {
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// Prefund a few accounts to authorize with and create the oracle
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keys := make([]*ecdsa.PrivateKey, 5)
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for i := 0; i < len(keys); i++ {
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keys[i], _ = crypto.GenerateKey()
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}
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key, oracle, sim := setupReleaseTest(t, keys...)
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// Authorize all the keys as valid signers
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keys = append([]*ecdsa.PrivateKey{key}, keys...)
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for i := 1; i < len(keys); i++ {
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for j := 0; j <= i/2; j++ {
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if _, err := oracle.Promote(bind.NewKeyedTransactor(keys[j]), crypto.PubkeyToAddress(keys[i].PublicKey)); err != nil {
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t.Fatalf("Iter #%d: failed valid promotion attempt: %v", i, err)
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}
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}
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sim.Commit()
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}
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// Make a release proposal and check it's existence
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if _, err := oracle.Release(bind.NewKeyedTransactor(keys[0]), 1, 2, 3, [20]byte{4}); err != nil {
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t.Fatalf("Failed valid proposal attempt: %v", err)
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}
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sim.Commit()
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prop, err := oracle.ProposedVersion(nil)
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if err != nil {
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t.Fatalf("Failed to retrieve active proposal: %v", err)
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}
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if len(prop.Pass) != 1 {
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t.Fatalf("Proposal vote count mismatch: have %d, want 1", len(prop.Pass))
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}
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// Demote a signer and check release proposal deletion
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for i := 0; i <= len(keys)/2; i++ {
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if _, err := oracle.Demote(bind.NewKeyedTransactor(keys[i]), crypto.PubkeyToAddress(keys[len(keys)-1].PublicKey)); err != nil {
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t.Fatalf("Iter #%d: failed valid demotion attempt: %v", i, err)
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}
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}
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sim.Commit()
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prop, err = oracle.ProposedVersion(nil)
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if err != nil {
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t.Fatalf("Failed to retrieve active proposal: %v", err)
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}
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if len(prop.Pass) != 0 {
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t.Fatalf("Proposal vote count mismatch: have %d, want 0", len(prop.Pass))
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}
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}
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