gaiacli stake delegate show error when bonded shares=0：division by zero

[nobsu]

[work@chaindown-web04 ~]$ gaiacli version
0.19.0-c671181
[work@chaindown-web04 ~]$ gaiad version
0.19.0-c671181
[work@chaindown-web04 ~]$ gaiacli stake validator cosmosaccaddr1tpkccgq3drmh4ynhpxfax8a03fchf8wusdx87q --chain-id=gaia-6002
Validator
Owner: cosmosaccaddr1tpkccgq3drmh4ynhpxfax8a03fchf8wusdx87q
Validator: cosmosvalpub1zcjduc3qzy8srgcep6y9c705h6gkfqzpc4dvh84zyxnadvhkxadlc3fft0zqq56g9q
Shares: Status Bonded, Amount: 0/1
Delegator Shares: 258674205209/-3638297687727013888
Description: {xiha }
Bond Height: 116859
Proposer Reward Pool:
Commission: 0/1
Max Commission Rate: 0/1
Comission Change Rate: 0/1
Commission Change Today: 0/1
Previously Bonded Stares: 0/1

[work@chaindown-web04 ~]$ gaiacli stake delegate --amount=1steak --address-delegator=cosmosaccaddr1tpkccgq3drmh4ynhpxfax8a03fchf8wusdx87q --address-validator=cosmosaccaddr1tpkccgq3drmh4ynhpxfax8a03fchf8wusdx87q --name=node01 --chain-id=gaia-6002
Defaulting to account number: 44
Defaulting to next sequence number: 14
Password to sign with 'node01':
ERROR: DeliverTx failed: (65537) === ABCI Log ===
Codespace: 1
Code: 1
ABCICode: 65537
Error: --= Error =--
Message: Recovered: division by zero
stack:
goroutine 2253 [running]:
runtime/debug.Stack(0xc426566c80, 0xbbe200, 0xed32b0)
/home/work/local/go/src/runtime/debug/stack.go:24 +0xa7
github.com/cosmos/cosmos-sdk/baseapp.(*BaseApp).runTx.func1(0xc42656a2c0)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/baseapp/baseapp.go:474 +0x1f4
panic(0xbbe200, 0xed32b0)
/home/work/local/go/src/runtime/panic.go:502 +0x229
math/big.(*Rat).Quo(0xc426566df0, 0xc426566e40, 0xc426566e80, 0x0)
/home/work/local/go/src/math/big/rat.go:509 +0x167
github.com/cosmos/cosmos-sdk/types.Rat.Quo(0x0, 0xc42e1f2ea0, 0x1, 0x5, 0x0, 0xc42e1f2ed0, 0x0, 0x5, 0x0, 0x0, ...)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/types/rational.go:91 +0x94
github.com/cosmos/cosmos-sdk/x/stake.Validator.addTokensFromDel(0xc43cc604e0, 0x14, 0x14, 0xedf960, 0xc43cc60540, 0x0, 0x2, 0x0, 0xc42e1f2fc0, 0x1, ...)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/x/stake/validator.go:207 +0x326
github.com/cosmos/cosmos-sdk/x/stake.delegate(0xedee60, 0xc442ca9950, 0xc42ae16940, 0xe, 0xed8680, 0xc4200db8b0, 0xc420a4a660, 0xed8680, 0xc4200db820, 0xee5060, ...)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/x/stake/handler.go:166 +0x41c
github.com/cosmos/cosmos-sdk/x/stake.handleMsgDelegate(0xedee60, 0xc442ca9950, 0xc42ae16940, 0xe, 0xc43cc60260, 0x14, 0x14, 0xc43cc60280, 0x14, 0x14, ...)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/x/stake/handler.go:137 +0x40c
github.com/cosmos/cosmos-sdk/x/stake.NewHandler.func1(0xedee60, 0xc442ca9950, 0xc42ae16940, 0xe, 0xedfbe0, 0xc425360c30, 0x0, 0x0, 0x0, 0x0, ...)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/x/stake/handler.go:19 +0x78c
github.com/cosmos/cosmos-sdk/baseapp.(*BaseApp).runTx(0xc4201002a0, 0x2, 0xc428574e10, 0xe5, 0xe5, 0xed6c20, 0xc425360c80, 0x0, 0x0, 0x0, ...)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/baseapp/baseapp.go:537 +0x340
github.com/cosmos/cosmos-sdk/baseapp.(*BaseApp).DeliverTx(0xc4201002a0, 0xc428574e10, 0xe5, 0xe5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/baseapp/baseapp.go:426 +0x466
github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/abci/client.(*localClient).DeliverTxAsync(0xc4200d89c0, 0xc428574e10, 0xe5, 0xe5, 0x0)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/abci/client/local_client.go:76 +0x88
github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/proxy.(*appConnConsensus).DeliverTxAsync(0xc4200da790, 0xc428574e10, 0xe5, 0xe5, 0xc43048aa10)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/proxy/app_conn.go:73 +0x51
github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/state.execBlockOnProxyApp(0xedf560, 0xc422295960, 0xee2380, 0xc4200da790, 0xc42fbaba40, 0xc442898360, 0xee59e0, 0xc423d640b8, 0x1, 0xc4270803e0, ...)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/state/execution.go:203 +0x735
github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/state.(*BlockExecutor).ApplyBlock(0xc4200d8f60, 0xc420cab4f0, 0x9, 0x1ccfc, 0x63c1, 0xc43cd1a120, 0x14, 0x20, 0x1, 0xc4270803e0, ...)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/state/execution.go:76 +0x12f
github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).finalizeCommit(0xc4214902c0, 0x1ccfd)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:1267 +0xbb2
github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).tryFinalizeCommit(0xc4214902c0, 0x1ccfd)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:1198 +0x468
github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).enterCommit.func1(0xc4214902c0, 0x0, 0x1ccfd)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:1146 +0x98
github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).enterCommit(0xc4214902c0, 0x1ccfd, 0x0)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:1175 +0x802
github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).addVote(0xc4214902c0, 0xc423db9040, 0xc428cc2e10, 0x28, 0x0, 0x0, 0xc424fea758)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:1532 +0xbb4
github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).tryAddVote(0xc4214902c0, 0xc423db9040, 0xc428cc2e10, 0x28, 0xf6, 0xc4350b9a00)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:1390 +0x56
github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).handleMsg(0xc4214902c0, 0xbf5d80, 0xc42094a270, 0xc428cc2e10, 0x28)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:607 +0x643
github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).receiveRoutine(0xc4214902c0, 0x0)
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:560 +0x6c0
created by github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).OnStart
/home/work/workplace/gopath/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:272 +0x140

Cause:
T: 0x1
Msg Traces:
--= /Error =--

=== /ABCI Log ===

[rigelrozanski]

@nobsu how did the validator get there with zero power to begin with? Makes sense that there is a panic here because a validator should not persist in the state if it has zero power - sounds like a genesis bug

[rigelrozanski]

actually maybe we need to allow for this because of #1056