mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-06-21 14:14:30 +00:00
360 lines
16 KiB
Go
360 lines
16 KiB
Go
package engine_v2_tests
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import (
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"encoding/json"
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"math/big"
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"testing"
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"github.com/XinFinOrg/XDPoSChain/common"
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"github.com/XinFinOrg/XDPoSChain/consensus/XDPoS"
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"github.com/XinFinOrg/XDPoSChain/core/state"
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"github.com/XinFinOrg/XDPoSChain/core/types"
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"github.com/XinFinOrg/XDPoSChain/eth/hooks"
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"github.com/XinFinOrg/XDPoSChain/eth/util"
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"github.com/XinFinOrg/XDPoSChain/params"
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"github.com/stretchr/testify/assert"
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)
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func TestHookRewardV2(t *testing.T) {
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b, err := json.Marshal(params.TestXDPoSMockChainConfig)
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assert.Nil(t, err)
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configString := string(b)
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var config params.ChainConfig
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err = json.Unmarshal([]byte(configString), &config)
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assert.Nil(t, err)
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// set switch to 1800, so that it covers 901-1799, 1800-2700 two epochs
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config.XDPoS.V2.SwitchBlock.SetUint64(1800)
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blockchain, _, _, signer, signFn, _ := PrepareXDCTestBlockChainForV2Engine(t, int(config.XDPoS.Epoch)*5, &config, nil)
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adaptor := blockchain.Engine().(*XDPoS.XDPoS)
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hooks.AttachConsensusV2Hooks(adaptor, blockchain, &config)
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assert.NotNil(t, adaptor.EngineV2.HookReward)
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// forcely insert signing tx into cache, to give rewards.
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header915 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch + 15)
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header916 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch + 16)
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header1799 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch*2 - 1)
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header1801 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch*2 + 1)
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tx, err := signingTxWithSignerFn(header915, 0, signer, signFn)
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assert.Nil(t, err)
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adaptor.CacheSigningTxs(header916.Hash(), []*types.Transaction{tx})
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statedb, err := blockchain.StateAt(header1799.Root)
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assert.Nil(t, err)
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parentState := statedb.Copy()
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reward, err := adaptor.EngineV2.HookReward(blockchain, statedb, parentState, header1801)
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assert.Nil(t, err)
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assert.Zero(t, len(reward))
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header2699 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch*3 - 1)
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header2700 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch * 3)
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statedb, err = blockchain.StateAt(header2699.Root)
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assert.Nil(t, err)
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parentState = statedb.Copy()
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reward, err = adaptor.EngineV2.HookReward(blockchain, statedb, parentState, header2700)
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assert.Nil(t, err)
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owner := state.GetCandidateOwner(parentState, signer)
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result := reward["rewards"].(map[common.Address]interface{})
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assert.Equal(t, 1, len(result))
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for _, x := range result {
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r := x.(map[common.Address]*big.Int)
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a, _ := big.NewInt(0).SetString("225000000000000000000", 10)
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assert.Zero(t, a.Cmp(r[owner]))
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b, _ := big.NewInt(0).SetString("25000000000000000000", 10)
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assert.Zero(t, b.Cmp(r[config.XDPoS.FoudationWalletAddr]))
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}
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header2685 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch*2 + 885)
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header2716 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch*3 + 16)
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header3599 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch*4 - 1)
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header3600 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch * 4)
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tx, err = signingTxWithSignerFn(header2685, 0, signer, signFn)
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assert.Nil(t, err)
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// signed block hash and block contains tx are in different epoch, we should get same rewards
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adaptor.CacheSigningTxs(header2716.Hash(), []*types.Transaction{tx})
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statedb, err = blockchain.StateAt(header3599.Root)
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assert.Nil(t, err)
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parentState = statedb.Copy()
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reward, err = adaptor.EngineV2.HookReward(blockchain, statedb, parentState, header3600)
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assert.Nil(t, err)
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result = reward["rewards"].(map[common.Address]interface{})
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assert.Equal(t, 1, len(result))
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for _, x := range result {
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r := x.(map[common.Address]*big.Int)
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a, _ := big.NewInt(0).SetString("225000000000000000000", 10)
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assert.Zero(t, a.Cmp(r[owner]))
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b, _ := big.NewInt(0).SetString("25000000000000000000", 10)
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assert.Zero(t, b.Cmp(r[config.XDPoS.FoudationWalletAddr]))
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}
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// if no signing tx, then reward will be 0
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header4499 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch*5 - 1)
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header4500 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch * 5)
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statedb, err = blockchain.StateAt(header4499.Root)
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assert.Nil(t, err)
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parentState = statedb.Copy()
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reward, err = adaptor.EngineV2.HookReward(blockchain, statedb, parentState, header4500)
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assert.Nil(t, err)
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result = reward["rewards"].(map[common.Address]interface{})
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assert.Equal(t, 0, len(result))
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}
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func TestHookRewardV2SplitReward(t *testing.T) {
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b, err := json.Marshal(params.TestXDPoSMockChainConfig)
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assert.Nil(t, err)
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configString := string(b)
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var config params.ChainConfig
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err = json.Unmarshal([]byte(configString), &config)
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assert.Nil(t, err)
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// set switch to 1800, so that it covers 901-1799, 1800-2700 two epochs
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config.XDPoS.V2.SwitchBlock.SetUint64(1800)
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blockchain, _, _, signer, signFn, _ := PrepareXDCTestBlockChainForV2Engine(t, int(config.XDPoS.Epoch)*3, &config, nil)
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adaptor := blockchain.Engine().(*XDPoS.XDPoS)
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hooks.AttachConsensusV2Hooks(adaptor, blockchain, &config)
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assert.NotNil(t, adaptor.EngineV2.HookReward)
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// forcely insert signing tx into cache, to give rewards.
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header915 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch + 15)
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header916 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch + 16)
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// header917 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch + 17)
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header1785 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch*2 - 15)
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header1799 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch*2 - 1)
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header1801 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch*2 + 1)
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tx, err := signingTxWithSignerFn(header915, 0, signer, signFn)
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assert.Nil(t, err)
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adaptor.CacheSigningTxs(header916.Hash(), []*types.Transaction{tx})
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tx2, err := signingTxWithKey(header915, 0, acc1Key)
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assert.Nil(t, err)
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tx3, err := signingTxWithKey(header1785, 0, acc1Key)
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assert.Nil(t, err)
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adaptor.CacheSigningTxs(header1799.Hash(), []*types.Transaction{tx2, tx3})
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statedb, err := blockchain.StateAt(header1799.Root)
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assert.Nil(t, err)
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parentState := statedb.Copy()
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reward, err := adaptor.EngineV2.HookReward(blockchain, statedb, parentState, header1801)
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assert.Nil(t, err)
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assert.Zero(t, len(reward))
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header2699 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch*3 - 1)
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header2700 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch * 3)
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statedb, err = blockchain.StateAt(header2699.Root)
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assert.Nil(t, err)
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parentState = statedb.Copy()
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reward, err = adaptor.EngineV2.HookReward(blockchain, statedb, parentState, header2700)
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assert.Nil(t, err)
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result := reward["rewards"].(map[common.Address]interface{})
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assert.Equal(t, 2, len(result))
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// two signing account, 3 txs, reward is split by 1:2 (total reward is 250...000)
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for addr, x := range result {
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if addr == acc1Addr {
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r := x.(map[common.Address]*big.Int)
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owner := state.GetCandidateOwner(parentState, addr)
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a, _ := big.NewInt(0).SetString("149999999999999999999", 10)
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assert.Zero(t, a.Cmp(r[owner]))
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b, _ := big.NewInt(0).SetString("16666666666666666666", 10)
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assert.Zero(t, b.Cmp(r[config.XDPoS.FoudationWalletAddr]))
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} else if addr == signer {
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r := x.(map[common.Address]*big.Int)
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owner := state.GetCandidateOwner(parentState, addr)
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a, _ := big.NewInt(0).SetString("74999999999999999999", 10)
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assert.Zero(t, a.Cmp(r[owner]))
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b, _ := big.NewInt(0).SetString("8333333333333333333", 10)
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assert.Zero(t, b.Cmp(r[config.XDPoS.FoudationWalletAddr]))
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} else {
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assert.Fail(t, "wrong reward")
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}
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}
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}
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func TestHookRewardAfterUpgrade(t *testing.T) {
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b, err := json.Marshal(params.TestXDPoSMockChainConfig)
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assert.Nil(t, err)
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configString := string(b)
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var config params.ChainConfig
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err = json.Unmarshal([]byte(configString), &config)
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assert.Nil(t, err)
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// set switch to 1800, so that it covers 901-1799, 1800-2700 two epochs
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config.XDPoS.V2.SwitchBlock.SetUint64(1800)
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config.XDPoS.V2.SwitchEpoch = 2
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// set upgrade number to 0
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backup := common.TIPUpgradeReward
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common.TIPUpgradeReward = big.NewInt(0)
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blockchain, _, _, signer, signFn := PrepareXDCTestBlockChainWithProtectorObserver(t, int(config.XDPoS.Epoch)*3+10, &config)
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adaptor := blockchain.Engine().(*XDPoS.XDPoS)
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hooks.AttachConsensusV2Hooks(adaptor, blockchain, &config)
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assert.NotNil(t, adaptor.EngineV2.HookReward)
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// forcely insert signing tx into cache, to give rewards.
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header915 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch + 15)
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header916 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch + 16)
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header1785 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch*2 - 15)
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header1799 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch*2 - 1)
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header1801 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch*2 + 1)
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tx, err := signingTxWithSignerFn(header915, 0, signer, signFn)
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assert.Nil(t, err)
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adaptor.CacheSigningTxs(header916.Hash(), []*types.Transaction{tx})
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tx2, err := signingTxWithKey(header915, 0, acc1Key)
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assert.Nil(t, err)
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tx3, err := signingTxWithKey(header1785, 0, acc1Key)
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assert.Nil(t, err)
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tx4, err := signingTxWithKey(header1785, 0, protector1Key)
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assert.Nil(t, err)
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tx5, err := signingTxWithKey(header1785, 0, observer1Key)
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assert.Nil(t, err)
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tx6, err := signingTxWithKey(header915, 0, protector2Key)
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assert.Nil(t, err)
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tx7, err := signingTxWithKey(header1785, 0, protector2Key)
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assert.Nil(t, err)
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tx8, err := signingTxWithKey(header1785, 0, observer2Key)
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assert.Nil(t, err)
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adaptor.CacheSigningTxs(header1799.Hash(), []*types.Transaction{tx2, tx3, tx4, tx5, tx6, tx7, tx8})
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statedb, err := blockchain.StateAt(header1799.Root)
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assert.Nil(t, err)
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parentState := statedb.Copy()
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reward, err := adaptor.EngineV2.HookReward(blockchain, statedb, parentState, header1801)
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assert.Nil(t, err)
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assert.Zero(t, len(reward))
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header2699 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch*3 - 1)
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header2700 := blockchain.GetHeaderByNumber(config.XDPoS.Epoch * 3)
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statedb, err = blockchain.StateAt(header2699.Root)
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assert.Nil(t, err)
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parentState = statedb.Copy()
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reward, err = adaptor.EngineV2.HookReward(blockchain, statedb, parentState, header2700)
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assert.Nil(t, err)
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result := reward["rewards"].(map[common.Address]interface{})
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assert.Equal(t, 2, len(result))
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// two signing account, both get fixed reward
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for addr, x := range result {
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if addr == acc1Addr {
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r := x.(map[common.Address]*big.Int)
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owner := state.GetCandidateOwner(parentState, addr)
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a, _ := big.NewInt(0).SetString("450000000000000000000", 10)
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assert.Zero(t, a.Cmp(r[owner]), "real reward is", r[owner])
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b, _ := big.NewInt(0).SetString("50000000000000000000", 10)
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assert.Zero(t, b.Cmp(r[config.XDPoS.FoudationWalletAddr]), "real reward is", r[config.XDPoS.FoudationWalletAddr])
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} else if addr == signer {
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r := x.(map[common.Address]*big.Int)
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owner := state.GetCandidateOwner(parentState, addr)
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a, _ := big.NewInt(0).SetString("450000000000000000000", 10)
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assert.Zero(t, a.Cmp(r[owner]), "real reward is", r[owner])
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b, _ := big.NewInt(0).SetString("50000000000000000000", 10)
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assert.Zero(t, b.Cmp(r[config.XDPoS.FoudationWalletAddr]), "real reward is", r[config.XDPoS.FoudationWalletAddr])
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} else {
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assert.Fail(t, "wrong reward")
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}
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}
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// 5 master nodes inside header are:
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//xdc703c4b2bD70c169f5717101CaeE543299Fc946C7
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//xdc0D3ab14BBaD3D99F4203bd7a11aCB94882050E7e
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//xdc71562b71999873DB5b286dF957af199Ec94617F7
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//xdc5F74529C0338546f82389402a01c31fB52c6f434
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//signer
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// 20 master nodes candidate inside XDCValidator contract are:
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//xdc703c4b2bD70c169f5717101CaeE543299Fc946C7
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//xdc0D3ab14BBaD3D99F4203bd7a11aCB94882050E7e
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//xdc71562b71999873DB5b286dF957af199Ec94617F7
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//xdc5F74529C0338546f82389402a01c31fB52c6f434
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// and xdc00...01, xdc00...02, ..., protector1 protector2 observer1 observer2
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// so xdc00...01, xdc00...02, ..., protector1 protector2 are protectors
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// only protector1 and 2 has signingtx.
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resultProtector := reward["rewardsProtector"].(map[common.Address]interface{})
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// 2 protector both get fixed reward
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assert.Equal(t, 2, len(resultProtector))
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for addr, x := range resultProtector {
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if addr == protector1Addr {
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r := x.(map[common.Address]*big.Int)
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owner := state.GetCandidateOwner(parentState, addr)
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a, _ := big.NewInt(0).SetString("360000000000000000000", 10)
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assert.Zero(t, a.Cmp(r[owner]), "real reward is", r[owner])
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b, _ := big.NewInt(0).SetString("40000000000000000000", 10)
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assert.Zero(t, b.Cmp(r[config.XDPoS.FoudationWalletAddr]), "real reward is", r[config.XDPoS.FoudationWalletAddr])
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} else if addr == protector2Addr {
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r := x.(map[common.Address]*big.Int)
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owner := state.GetCandidateOwner(parentState, addr)
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a, _ := big.NewInt(0).SetString("360000000000000000000", 10)
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assert.Zero(t, a.Cmp(r[owner]), "real reward is", r[owner])
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b, _ := big.NewInt(0).SetString("40000000000000000000", 10)
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assert.Zero(t, b.Cmp(r[config.XDPoS.FoudationWalletAddr]), "real reward is", r[config.XDPoS.FoudationWalletAddr])
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} else {
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assert.Fail(t, "wrong reward")
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}
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}
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resultObserver := reward["rewardsObserver"].(map[common.Address]interface{})
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// observer1 and it signs one tx, observer2 is inside penalty so no reward
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assert.Equal(t, 1, len(resultObserver))
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for addr, x := range resultObserver {
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assert.Equal(t, addr, observer1Addr)
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r := x.(map[common.Address]*big.Int)
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owner := state.GetCandidateOwner(parentState, addr)
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a, _ := big.NewInt(0).SetString("270112500000000000000", 10) // this value tests the float64 reward
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assert.Zero(t, a.Cmp(r[owner]), "real reward is", r[owner])
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b, _ := big.NewInt(0).SetString("30012500000000000000", 10) // this value tests the float64 reward
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assert.Zero(t, b.Cmp(r[config.XDPoS.FoudationWalletAddr]), "real reward is", r[config.XDPoS.FoudationWalletAddr])
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}
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totalMinted := state.GetTotalMinted(statedb).Big()
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totalExpect, _ := big.NewInt(0).SetString("2100125000000000000000", 10)
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assert.Zero(t, totalMinted.Cmp(totalExpect), "statedb records wrong total minted")
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lastEpochNum := state.GetLastEpochNum(statedb).Big().Int64()
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assert.Equal(t, 3, int(lastEpochNum))
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common.TIPUpgradeReward = backup
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}
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func TestRewardHalvingVanishing(t *testing.T) {
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billion := big.NewInt(1000000000)
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epochRewardTotal := big.NewInt(16000)
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epochRewardTotal.Mul(epochRewardTotal, billion)
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epochReward1 := big.NewInt(10000)
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epochReward1.Mul(epochReward1, billion)
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epochReward2 := big.NewInt(4000)
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epochReward2.Mul(epochReward2, billion)
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epochReward3 := big.NewInt(2000)
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epochReward3.Mul(epochReward3, billion)
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// 45 Billion - 39 Billion XDC (1 XDC = 10^9 wei)
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halvingSupply := big.NewInt(6000000000)
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halvingSupply.Mul(halvingSupply, billion)
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sum := big.NewInt(0)
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iterMax := uint64(30000000)
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for i := uint64(0); i < iterMax; i++ {
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r := new(big.Int).Add(util.RewardHalving(epochReward1, epochRewardTotal, halvingSupply, i), util.RewardHalving(epochReward2, epochRewardTotal, halvingSupply, i))
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r.Add(r, util.RewardHalving(epochReward3, epochRewardTotal, halvingSupply, i))
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if r.BitLen() == 0 {
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t.Log("reward be 0 at i=", i) // reward be 0 at i= 11225088, wich is more than 200 years in the future
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break
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}
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sum.Add(sum, r)
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if i == iterMax-1 {
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t.Fatal("reward should be 0 at end")
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}
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}
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t.Log("sum", sum) // sum 5999999999982635022, which is less than total, and never reach totoal
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assert.True(t, sum.Cmp(halvingSupply) < 0)
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}
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func TestRewardHalvingSplit(t *testing.T) {
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billion := big.NewInt(1000000000)
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epochRewardTotal := big.NewInt(16000)
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epochRewardTotal.Mul(epochRewardTotal, billion)
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epochReward1 := big.NewInt(10000)
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epochReward1.Mul(epochReward1, billion)
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epochReward2 := big.NewInt(4000)
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epochReward2.Mul(epochReward2, billion)
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epochReward3 := big.NewInt(2000)
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epochReward3.Mul(epochReward3, billion)
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// 45 Billion - 39 Billion XDC (1 XDC = 10^9 wei)
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halvingSupply := big.NewInt(6000000000)
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halvingSupply.Mul(halvingSupply, billion)
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i := uint64(50000) // a random number suffice
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r1 := util.RewardHalving(epochReward1, epochRewardTotal, halvingSupply, i)
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r2 := util.RewardHalving(epochReward2, epochRewardTotal, halvingSupply, i)
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|
r3 := util.RewardHalving(epochReward3, epochRewardTotal, halvingSupply, i)
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t.Log(r1, r2, r3)
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|
|
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assert.Equal(t, int64(5), r1.Div(r1, r3).Int64()) // since epochReward1/epochReward3=5
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assert.Equal(t, int64(2), r2.Div(r2, r3).Int64()) // since epochReward2/epochReward3=2
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}
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