/
genesis.go
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/
genesis.go
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package staking
import (
"context"
"fmt"
"github.com/tendermint/tendermint/abci/types"
"github.com/oasisprotocol/oasis-core/go/common/quantity"
abciAPI "github.com/oasisprotocol/oasis-core/go/consensus/tendermint/api"
stakingState "github.com/oasisprotocol/oasis-core/go/consensus/tendermint/apps/staking/state"
genesis "github.com/oasisprotocol/oasis-core/go/genesis/api"
staking "github.com/oasisprotocol/oasis-core/go/staking/api"
)
func (app *stakingApplication) initParameters(ctx *abciAPI.Context, state *stakingState.MutableState, st *staking.Genesis) error {
if err := st.Parameters.SanityCheck(); err != nil {
return fmt.Errorf("tendermint/staking: sanity check failed: %w", err)
}
if err := state.SetConsensusParameters(ctx, &st.Parameters); err != nil {
return fmt.Errorf("tendermint/staking: failed to set consensus parameters: %w", err)
}
return nil
}
func (app *stakingApplication) initCommonPool(ctx *abciAPI.Context, st *staking.Genesis, totalSupply *quantity.Quantity) error {
if !st.CommonPool.IsValid() {
return fmt.Errorf("tendermint/staking: invalid genesis state CommonPool")
}
if err := totalSupply.Add(&st.CommonPool); err != nil {
ctx.Logger().Error("InitChain: failed to add common pool",
"err", err,
)
return fmt.Errorf("tendermint/staking: failed to add common pool: %w", err)
}
return nil
}
func (app *stakingApplication) initLastBlockFees(ctx *abciAPI.Context, st *staking.Genesis, totalSupply *quantity.Quantity) error {
if !st.LastBlockFees.IsValid() {
return fmt.Errorf("tendermint/staking: invalid genesis state LastBlockFees")
}
if err := totalSupply.Add(&st.LastBlockFees); err != nil {
ctx.Logger().Error("InitChain: failed to add last block fees",
"err", err,
)
return fmt.Errorf("tendermint/staking: failed to add last block fees: %w", err)
}
// XXX: Since there would be no LastCommitInfo for the initial block we
// move the block fees from genesis into the common pool. And set block fees
// to zero.
ctx.Logger().Warn("InitChain: moving last block fees into common pool",
"last_block_fees", st.LastBlockFees,
"common_pool", st.CommonPool,
)
if err := st.CommonPool.Add(&st.LastBlockFees); err != nil {
return fmt.Errorf("tendermint/staking: failed to add block fees to common pool")
}
st.LastBlockFees = *quantity.NewQuantity()
return nil
}
func (app *stakingApplication) initGovernanceDeposits(ctx *abciAPI.Context, state *stakingState.MutableState, st *staking.Genesis, totalSupply *quantity.Quantity) error {
if !st.GovernanceDeposits.IsValid() {
return fmt.Errorf("tendermint/staking: invalid genesis state GovernanceDeposits")
}
if err := totalSupply.Add(&st.GovernanceDeposits); err != nil {
ctx.Logger().Error("InitChain: failed to add governance deposits",
"err", err,
)
return fmt.Errorf("tendermint/staking: failed to add governance deposits: %w", err)
}
if err := state.SetGovernanceDeposits(ctx, &st.GovernanceDeposits); err != nil {
ctx.Logger().Error("InitChain: failed to set governance deposits state", "err", err)
return fmt.Errorf("tendermint/staking: failed to set governance deposits state")
}
return nil
}
func (app *stakingApplication) initLedger(
ctx *abciAPI.Context,
state *stakingState.MutableState,
st *staking.Genesis,
totalSupply *quantity.Quantity,
) error {
for addr, acct := range st.Ledger {
if acct == nil {
return fmt.Errorf("tendermint/staking: genesis ledger account %s is nil", addr)
}
if !addr.IsValid() {
return fmt.Errorf("tendermint/staking: genesis ledger account %s: address is invalid", addr)
}
if !acct.General.Balance.IsValid() {
ctx.Logger().Error("InitChain: invalid genesis general balance",
"address", addr,
"general_balance", acct.General.Balance,
)
return fmt.Errorf("tendermint/staking: invalid genesis general balance for account %s", addr)
}
if !acct.Escrow.Active.Balance.IsValid() {
ctx.Logger().Error("InitChain: invalid genesis active escrow balance",
"address", addr,
"escrow_balance", acct.Escrow.Active.Balance,
)
return fmt.Errorf("tendermint/staking: invalid genesis active escrow balance for account %s", addr)
}
if !acct.Escrow.Debonding.Balance.IsValid() {
ctx.Logger().Error("InitChain: invalid genesis debonding escrow balance",
"address", addr,
"debonding_balance", acct.Escrow.Debonding.Balance,
)
return fmt.Errorf("tendermint/staking: invalid genesis debonding escrow balance for account %s", addr)
}
// Make sure that the stake accumulator is empty as otherwise it could be inconsistent with
// what is registered in the genesis block.
if len(acct.Escrow.StakeAccumulator.Claims) > 0 {
ctx.Logger().Error("InitChain: non-empty stake accumulator",
"address", addr,
)
return fmt.Errorf("tendermint/staking: non-empty stake accumulator in genesis for account %s", addr)
}
if err := totalSupply.Add(&acct.General.Balance); err != nil {
ctx.Logger().Error("InitChain: failed to add general balance",
"err", err,
)
return fmt.Errorf("tendermint/staking: failed to add general balance: %w", err)
}
if err := totalSupply.Add(&acct.Escrow.Active.Balance); err != nil {
ctx.Logger().Error("InitChain: failed to add active escrow balance",
"err", err,
)
return fmt.Errorf("tendermint/staking: failed to add active escrow balance: %w", err)
}
if err := totalSupply.Add(&acct.Escrow.Debonding.Balance); err != nil {
ctx.Logger().Error("InitChain: failed to add debonding escrow balance",
"err", err,
)
return fmt.Errorf("tendermint/staking: failed to add debonding escrow balance: %w", err)
}
if err := state.SetAccount(ctx, addr, acct); err != nil {
return fmt.Errorf("tendermint/staking: failed to set account %s: %w", addr, err)
}
}
return nil
}
func (app *stakingApplication) initTotalSupply(
ctx *abciAPI.Context,
state *stakingState.MutableState,
st *staking.Genesis,
totalSupply *quantity.Quantity,
) error {
if totalSupply.Cmp(&st.TotalSupply) != 0 {
ctx.Logger().Error("InitChain: total supply mismatch",
"expected", st.TotalSupply,
"actual", totalSupply,
)
return fmt.Errorf("tendermint/staking: total supply mismatch (expected: %s actual: %s)", st.TotalSupply, totalSupply)
}
if err := state.SetCommonPool(ctx, &st.CommonPool); err != nil {
return fmt.Errorf("tendermint/staking: failed to set common pool: %w", err)
}
if err := state.SetTotalSupply(ctx, totalSupply); err != nil {
return fmt.Errorf("tendermint/staking: failed to set total supply: %w", err)
}
return nil
}
func (app *stakingApplication) initDelegations(ctx *abciAPI.Context, state *stakingState.MutableState, st *staking.Genesis) error {
for escrowAddr, delegations := range st.Delegations {
if !escrowAddr.IsValid() {
return fmt.Errorf("tendermint/staking: failed to set genesis delegations to %s: address is invalid",
escrowAddr,
)
}
delegationShares := quantity.NewQuantity()
for delegatorAddr, delegation := range delegations {
if !delegatorAddr.IsValid() {
return fmt.Errorf(
"tendermint/staking: failed to set genesis delegation from %s to %s: delegator address is invalid",
delegatorAddr, escrowAddr,
)
}
if delegation == nil {
return fmt.Errorf("tendermint/staking: genesis delegation from %s to %s is nil",
delegatorAddr, escrowAddr,
)
}
if err := delegationShares.Add(&delegation.Shares); err != nil {
ctx.Logger().Error("InitChain: failed to add delegation shares",
"err", err,
)
return fmt.Errorf("tendermint/staking: failed to add delegation shares to %s from %s: %w",
escrowAddr, delegatorAddr, err,
)
}
if err := state.SetDelegation(ctx, delegatorAddr, escrowAddr, delegation); err != nil {
return fmt.Errorf("tendermint/staking: failed to set delegation to %s from %s: %w",
escrowAddr, delegatorAddr, err,
)
}
}
acc, err := state.Account(ctx, escrowAddr)
if err != nil {
return fmt.Errorf("tendermint/staking: failed to fetch escrow account %s: %w", escrowAddr, err)
}
if acc.Escrow.Active.TotalShares.Cmp(delegationShares) != 0 {
ctx.Logger().Error("InitChain: total active shares mismatch",
"escrow_address", escrowAddr,
"expected", acc.Escrow.Active.TotalShares,
"actual", delegationShares,
)
return fmt.Errorf("tendermint/staking: total active shares mismatch for account %s: actual: %s (expected: %s)",
escrowAddr, delegationShares, acc.Escrow.Active.TotalShares,
)
}
}
return nil
}
func (app *stakingApplication) initDebondingDelegations(ctx *abciAPI.Context, state *stakingState.MutableState, st *staking.Genesis) error {
for escrowAddr, delegators := range st.DebondingDelegations {
if !escrowAddr.IsValid() {
return fmt.Errorf("tendermint/staking: failed to set genesis debonding delegations to %s: address is invalid",
escrowAddr,
)
}
debondingShares := quantity.NewQuantity()
for delegatorAddr, delegations := range delegators {
if !delegatorAddr.IsValid() {
return fmt.Errorf(
"tendermint/staking: failed to set genesis debonding delegation from %s to %s: delegator address is invalid",
delegatorAddr, escrowAddr,
)
}
for idx, delegation := range delegations {
if delegation == nil {
return fmt.Errorf(
"tendermint/staking: genesis debonding delegation from %s to %s with index %d is nil",
delegatorAddr, escrowAddr, idx,
)
}
if err := debondingShares.Add(&delegation.Shares); err != nil {
ctx.Logger().Error("InitChain: failed to add debonding delegation shares",
"err", err,
)
return fmt.Errorf("tendermint/staking: failed to add debonding delegation shares to %s from %s index %d: %w",
escrowAddr, delegatorAddr, idx, err,
)
}
if err := state.SetDebondingDelegation(ctx, delegatorAddr, escrowAddr, delegation.DebondEndTime, delegation); err != nil {
return fmt.Errorf("tendermint/staking: failed to set debonding delegation to %s from %s index %d: %w",
escrowAddr, delegatorAddr, idx, err,
)
}
}
}
acc, err := state.Account(ctx, escrowAddr)
if err != nil {
return fmt.Errorf("tendermint/staking: failed to fetch escrow account %s: %w", escrowAddr, err)
}
if acc.Escrow.Debonding.TotalShares.Cmp(debondingShares) != 0 {
ctx.Logger().Error("InitChain: total debonding shares mismatch",
"escrow_address", escrowAddr,
"expected", acc.Escrow.Debonding.TotalShares,
"actual", debondingShares,
)
return fmt.Errorf("tendermint/staking: total debonding shares mismatch for account %s: actual: %s (expected: %s)",
escrowAddr, debondingShares, acc.Escrow.Debonding.TotalShares,
)
}
}
return nil
}
// InitChain initializes the chain from genesis.
func (app *stakingApplication) InitChain(ctx *abciAPI.Context, request types.RequestInitChain, doc *genesis.Document) error {
st := &doc.Staking
var (
state = stakingState.NewMutableState(ctx.State())
totalSupply quantity.Quantity
)
if err := app.initParameters(ctx, state, st); err != nil {
return err
}
if err := app.initCommonPool(ctx, st, &totalSupply); err != nil {
return err
}
if err := app.initLastBlockFees(ctx, st, &totalSupply); err != nil {
return err
}
if err := app.initGovernanceDeposits(ctx, state, st, &totalSupply); err != nil {
return err
}
if err := app.initLedger(ctx, state, st, &totalSupply); err != nil {
return err
}
if err := app.initTotalSupply(ctx, state, st, &totalSupply); err != nil {
return err
}
if err := app.initDelegations(ctx, state, st); err != nil {
return err
}
if err := app.initDebondingDelegations(ctx, state, st); err != nil {
return err
}
ctx.Logger().Debug("InitChain: allocations complete",
"common_pool", st.CommonPool,
"total_supply", totalSupply,
)
return nil
}
// Genesis exports current state in genesis format.
func (sq *stakingQuerier) Genesis(ctx context.Context) (*staking.Genesis, error) {
totalSupply, err := sq.state.TotalSupply(ctx)
if err != nil {
return nil, err
}
commonPool, err := sq.state.CommonPool(ctx)
if err != nil {
return nil, err
}
lastBlockFees, err := sq.state.LastBlockFees(ctx)
if err != nil {
return nil, err
}
governanceDeposits, err := sq.state.GovernanceDeposits(ctx)
if err != nil {
return nil, err
}
addresses, err := sq.state.Addresses(ctx)
if err != nil {
return nil, err
}
ledger := make(map[staking.Address]*staking.Account)
for _, addr := range addresses {
var acct *staking.Account
acct, err = sq.state.Account(ctx, addr)
if err != nil {
return nil, fmt.Errorf("tendermint/staking: failed to fetch account: %w", err)
}
// Make sure that export resets the stake accumulator state as that should be re-initialized
// during genesis (a genesis document with non-empty stake accumulator is invalid).
acct.Escrow.StakeAccumulator = staking.StakeAccumulator{}
ledger[addr] = acct
}
delegations, err := sq.state.Delegations(ctx)
if err != nil {
return nil, err
}
debondingDelegations, err := sq.state.DebondingDelegations(ctx)
if err != nil {
return nil, err
}
params, err := sq.state.ConsensusParameters(ctx)
if err != nil {
return nil, err
}
gen := staking.Genesis{
Parameters: *params,
TotalSupply: *totalSupply,
CommonPool: *commonPool,
LastBlockFees: *lastBlockFees,
GovernanceDeposits: *governanceDeposits,
Ledger: ledger,
Delegations: delegations,
DebondingDelegations: debondingDelegations,
}
return &gen, nil
}