v0.25.0 (WARNING: ALPHA SOFTWARE)

NOTES

This is an interim release until we release 0.26.0 w/ Tendermint 0.26.

There are some known issues, which will be addressed in 0.26.0: #2617

Tendermint 0.26 integration is being done here: https://github.com/cosmos/cosmos-sdk/pull/2633/files

CHANGELOG

0.25.0

October 24th, 2018

BREAKING CHANGES

• Gaia REST API (`gaiacli advanced rest-server`)

• [x/stake] Validator.Owner renamed to Validator.Operator

• #595 Connections to the REST server are now secured using Transport Layer Security by default. The --insecure flag is provided to switch back to insecure HTTP.

• [gaia-lite] #2258 Split `GET stake/delegators/{delegatorAddr}` into `GET stake/delegators/{delegatorAddr}/delegations`, `GET stake/delegators/{delegatorAddr}/unbonding_delegations` and `GET stake/delegators/{delegatorAddr}/redelegations`

• Gaia CLI (`gaiacli`)

• [x/stake] Validator.Owner renamed to Validator.Operator

• [cli] unsafe_reset_all, show_validator, and show_node_id have been renamed to unsafe-reset-all, show-validator, and show-node-id

• [cli] #1983 --print-response now defaults to true in commands that create and send a transaction

• [cli] #1983 you can now pass --pubkey or --address to gaiacli keys show to return a plaintext representation of the key's address or public key for use with other commands

• [cli] #2061 changed proposalID in governance REST endpoints to proposal-id

• [cli] #2014 `gaiacli advanced` no longer exists - to access `ibc`, `rest-server`, and `validator-set` commands use `gaiacli ibc`, `gaiacli rest-server`, and `gaiacli tendermint`, respectively

• [makefile] `get_vendor_deps` no longer updates lock file it just updates vendor directory. Use `update_vendor_deps` to update the lock file. #2152

• [cli] #2221 All commands that

utilize a validator's operator address must now use the new Bech32 prefix,

`cosmosvaloper`.

• [cli] #2190 `gaiacli init --gen-txs` is now `gaiacli init --with-txs` to reduce confusion

• [cli] #2073 --from can now be either an address or a key name

• [cli] #1184 Subcommands reorganisation, see #2390 for a comprehensive list of changes.

• [cli] #2524 Add support offline mode to `gaiacli tx sign`. Lookups are not performed if the flag `--offline` is on.

• [cli] #2570 Add commands to query deposits on proposals

• Gaia

• Make the transient store key use a distinct store key. #2013

• [x/stake] #1901 Validator type's Owner field renamed to Operator; Validator's GetOwner() renamed accordingly to comply with the SDK's Validator interface.

• [docs] #2001 Update slashing spec for slashing period

• [x/stake, x/slashing] #1305 - Rename "revoked" to "jailed"

• [x/stake] [ #1676 ] Revoked and jailed validators put into the unbonding state

• [x/stake] [ #1877 ] Redelegations/unbonding-delegation from unbonding validator have reduced time

• [x/slashing] #1789 Slashing changes for Tendermint validator set offset (NextValSet)

• [x/stake] #2040 Validator

operator type has now changed to `sdk.ValAddress`

• [x/stake] #2221 New

Bech32 prefixes have been introduced for a validator's consensus address and

public key: `cosmosvalcons` and `cosmosvalconspub` respectively. Also, existing Bech32 prefixes have been

renamed for accounts and validator operators: • `cosmosaccaddr` / `cosmosaccpub` => `cosmos` / `cosmospub`

• `cosmosvaladdr` / `cosmosvalpub` => `cosmosvaloper` / `cosmosvaloperpub`

• [x/stake] [ #1013 ] TendermintUpdates now uses transient store

• [x/stake] #2435 Remove empty bytes from the ValidatorPowerRank store key

• [x/gov] #2195 Governance uses BFT Time

• [x/gov] #2256 Removed slashing for governance non-voting validators

• [simulation] #2162 Added back correct supply invariants

• [x/slashing] #2430 Simulate more slashes, check if validator is jailed before jailing

• [x/stake] #2393 Removed `CompleteUnbonding` and `CompleteRedelegation` Msg types, and instead added unbonding/redelegation queues to endblocker

• [x/mock/simulation] #2501 Simulate transactions & invariants for fee distribution, and fix bugs discovered in the process • [x/auth] Simulate random fee payments

• [cmd/gaia/app] Simulate non-zero inflation

• [x/stake] Call hooks correctly in several cases related to delegation/validator updates

• [x/stake] Check full supply invariants, including yet-to-be-withdrawn fees

• [x/stake] Remove no-longer-in-use store key

• [x/slashing] Call hooks correctly when a validator is slashed

• [x/slashing] Truncate withdrawals (unbonding, redelegation) and burn change

• [x/mock/simulation] Ensure the simulation cannot set a proposer address of nil

• [x/mock/simulation] Add more event logs on begin block / end block for clarity

• [x/mock/simulation] Correctly set validator power in abci.RequestBeginBlock

• [x/minting] Correctly call stake keeper to track inflated supply

• [x/distribution] Sanity check for nonexistent rewards

• [x/distribution] Truncate withdrawals and return change to the community pool

• [x/distribution] Add sanity checks for incorrect accum / total accum relations

• [x/distribution] Correctly calculate total power using Tendermint updates

• [x/distribution] Simulate withdrawal transactions

• [x/distribution] Fix a bug where the fee pool was not correctly tracked on WithdrawDelegatorRewardsAll

• [x/stake] #1673 Validators are no longer deleted until they can no longer possibly be slashed

• #1890 Start chain with initial state + sequence of transactions • [cli] Rename `gaiad init gentx` to `gaiad gentx`.

• [cli] Add `--skip-genesis` flag to `gaiad init` to prevent `genesis.json` generation.

• Drop `GenesisTx` in favor of a signed `StdTx` with only one `MsgCreateValidator` message.

• [cli] Port `gaiad init` and `gaiad testnet` to work with `StdTx` genesis transactions.

• [cli] Add `--moniker` flag to `gaiad init` to override moniker when generating `genesis.json` - i.e. it takes effect when running with the `--with-txs` flag, it is ignored otherwise.

• SDK

• [core] #2219 Update to Tendermint 0.24.0 • Validator set updates delayed by one block

• BFT timestamp that can safely be used by applications

• Fixed maximum block size enforcement

• [core] #1807 Switch from use of rational to decimal

• [types] #1901 Validator interface's GetOwner() renamed to GetOperator()

• [x/slashing] #2122 - Implement slashing period

• [types] #2119 Parsed error messages and ABCI log errors to make them more human readable.

• [types] #2407 MulInt method added to big decimal in order to improve efficiency of slashing

• [simulation] Rename TestAndRunTx to Operation #2153

• [simulation] Remove log and testing.TB from Operation and Invariants, in favor of using errors #2282

• [simulation] Remove usage of keys and addrs in the types, in favor of simulation.Account #2384

• [tools] Removed gocyclo #2211

• [baseapp] Remove `SetTxDecoder` in favor of requiring the decoder be set in baseapp initialization. #1441

• [baseapp] #1921 Add minimumFees field to BaseApp.

• [store] Change storeInfo within the root multistore to use tmhash instead of ripemd160 #2308

• [codec] #2324 All referrences to wire have been renamed to codec. Additionally, wire.NewCodec is now codec.New().

• [types] #2343 Make sdk.Msg have a names field, to facilitate automatic tagging.

• [baseapp] #2366 Automatically add action tags to all messages

• [x/auth] #2377 auth.StdSignMsg -> txbuilder.StdSignMsg

• [x/staking] #2244 staking now holds a consensus-address-index instead of a consensus-pubkey-index

• [x/staking] #2236 more distribution hooks for distribution

• [x/stake] #2394 Split up UpdateValidator into distinct state transitions applied only in EndBlock

• [x/slashing] #2480 Fix signing info handling bugs & faulty slashing

• [x/stake] #2412 Added an unbonding validator queue to EndBlock to automatically update validator.Status when finished Unbonding

• [x/stake] #2500 Block conflicting redelegations until we add an index

• [x/params] Global Paramstore refactored

• [types] #2506 sdk.Dec MarshalJSON now marshals as a normal Decimal, with 10 digits of decimal precision

• [x/stake] #2508 Utilize Tendermint power for validator power key

• [x/stake] #2531 Remove all inflation logic

• [x/mint] #2531 Add minting module and inflation logic

• [x/auth] #2540 Rename `AccountMapper` to `AccountKeeper`.

• [types] #2456 Renamed msg.Name() and msg.Type() to msg.Type() and msg.Route() respectively

• Tendermint

• Update tendermint version from v0.23.0 to v0.25.0, notable changes • Mempool now won't build too large blocks, or too computationally expensive blocks

• Maximum tx sizes and gas are now removed, and are implicitly the blocks maximums

• ABCI validators no longer send the pubkey. The pubkey is only sent in validator updates

• Validator set changes are now delayed by one block

• Block header now includes the next validator sets hash

• BFT time is implemented

• Secp256k1 signature format has changed

• There is now a threshold multisig format

• See the tendermint changelog for other changes.

FEATURES

• Gaia REST API (`gaiacli advanced rest-server`)

• [gaia-lite] Endpoints to query staking pool and params

• [gaia-lite] #2110 Add support for `simulate=true` requests query argument to endpoints that send txs to run simulations of transactions

• [gaia-lite] #966 Add support for `generate_only=true` query argument to generate offline unsigned transactions

• [gaia-lite] #1953 Add /sign endpoint to sign transactions generated with `generate_only=true`.

• [gaia-lite] #1954 Add /broadcast endpoint to broadcast transactions signed by the /sign endpoint.

• [gaia-lite] #2113 Rename `/accounts/{address}/send` to `/bank/accounts/{address}/transfers`, rename `/accounts/{address}` to `/auth/accounts/{address}`, replace `proposal-id` with `proposalId` in all gov endpoints

• [gaia-lite] #2478 Add query gov proposal's deposits endpoint

• [gaia-lite] #2477 Add query validator's outgoing redelegations and unbonding delegations endpoints

• Gaia CLI (`gaiacli`)

• [cli] Cmds to query staking pool and params

• [gov][cli] #2062 added `--proposal` flag to `submit-proposal` that allows a JSON file containing a proposal to be passed in

• #2040 Add `--bech` to `gaiacli keys show` and respective REST endpoint to

provide desired Bech32 prefix encoding

• [cli] #2047 #2306 Passing --gas=simulate triggers a simulation of the tx before the actual execution.

The gas estimate obtained via the simulation will be used as gas limit in the actual execution.

• [cli] #2047 The --gas-adjustment flag can be used to adjust the estimate obtained via the simulation triggered by --gas=simulate.

• [cli] #2110 Add --dry-run flag to perform a simulation of a transaction without broadcasting it. The --gas flag is ignored as gas would be automatically estimated.

• [cli] #2204 Support generating and broadcasting messages with multiple signatures via command line: • #966 Add --generate-only flag to build an unsigned transaction and write it to STDOUT.

• #1953 New `sign` command to sign transactions generated with the --generate-only flag.

• #1954 New `broadcast` command to broadcast transactions generated offline and signed with the `sign` command.

• [cli] #2220 Add `gaiacli config` feature to interactively create CLI config files to reduce the number of required flags

• [stake][cli] #1672 Introduced

new commission flags for validator commands `create-validator` and `edit-validator`.

• [stake][cli] #1890 Add `--genesis-format` flag to `gaiacli tx create-validator` to produce transactions in genesis-friendly format.

• [cli] #2554 Make `gaiacli keys show` multisig ready.

• Gaia

• [cli] #2170 added ability to show the node's address via `gaiad tendermint show-address`

• [simulation] #2313 Reworked `make test_sim_gaia_slow` to `make test_sim_gaia_full`, now simulates from multiple starting seeds in parallel

• [cli] [ #1921 ] ( #1921 ) • New configuration file `gaiad.toml` is now created to host Gaia-specific configuration.

• New --minimum_fees/minimum_fees flag/config option to set a minimum fee.

• SDK

• [querier] added custom querier functionality, so ABCI query requests can be handled by keepers

• [simulation] #1924 allow operations to specify future operations

• [simulation] #1924 Add benchmarking capabilities, with makefile commands "test_sim_gaia_benchmark, test_sim_gaia_profile"

• [simulation] #2349 Add time-based future scheduled operations to simulator

• [x/auth] #2376 Remove FeePayer() from StdTx

• [x/stake] #1672 Implement

basis for the validator commission model.

• [x/auth] Support account removal in the account mapper.

IMPROVEMENTS

• [tools] Improved terraform and ansible scripts for infrastructure deployment

• [tools] Added ansible script to enable process core dumps

• Gaia REST API (`gaiacli advanced rest-server`)

• [x/stake] #2000 Added tests for new staking endpoints

• [gaia-lite] #2445 Standarized REST error responses

• [gaia-lite] Added example to Swagger specification for /keys/seed.

• [x/stake] Refactor REST utils

• Gaia CLI (`gaiacli`)

• [cli] #2060 removed `--select` from `block` command

• [cli] #2128 fixed segfault when exporting directly after `gaiad init`

• [cli] #1255 open KeyBase in read-only mode

for query-purpose CLI commands

• Gaia

• [x/stake] #2023 Terminate iteration loop in `UpdateBondedValidators` and `UpdateBondedValidatorsFull` when the first revoked validator is encountered and perform a sanity check.

• [x/auth] Signature verification's gas cost now accounts for pubkey type. #2046

• [x/stake] [x/slashing] Ensure delegation invariants to jailed validators #1883 .

• [x/stake] Improve speed of GetValidator, which was shown to be a performance bottleneck. #2046

• [x/stake] #2435 Improve memory efficiency of getting the various store keys

• [genesis] #2229 Ensure that there are no duplicate accounts or validators in the genesis state.

• [genesis] #2450 Validate staking genesis parameters.

• Add SDK validation to `config.toml` (namely disabling `create_empty_blocks`) #1571

• #1941 ( #1941 ) Version is now inferred via `git describe --tags`.

• [x/distribution] #1671 add distribution types and tests

• SDK

• [tools] Make get_vendor_deps deletes `.vendor-new` directories, in case scratch files are present.

• [spec] Added simple piggy bank distribution spec

• [cli] #1632 Add integration tests to ensure `basecoind init && basecoind` start sequences run successfully for both `democoin` and `basecoin` examples.

• [store] Speedup IAVL iteration, and consequently everything that requires IAVL iteration. #2143

• [store] #1952 , #2281 Update IAVL dependency to v0.11.0

• [simulation] Make timestamps randomized #2153

• [simulation] Make logs not just pure strings, speeding it up by a large factor at greater block heights #2282

• [simulation] Add a concept of weighting the operations #2303

• [simulation] Logs get written to file if large, and also get printed on panics #2285

• [simulation] Bank simulations now makes testing auth configurable #2425

• [gaiad] #1992 Add optional flag to `gaiad testnet` to make config directory of daemon (default `gaiad`) and cli (default `gaiacli`) configurable

• [x/stake] Add stake `Queriers` for Gaia-lite endpoints. This increases the staking endpoints performance by reusing the staking `keeper` logic for queries. #2249

• [store] #2017 Refactor

gas iterator gas consumption to only consume gas for iterator creation and `Next`

calls which includes dynamic consumption of value length.

• [types/decimal] #2378 - Added truncate functionality to decimal

• [client] #1184 Remove unused `client/tx/sign.go`.

• [tools] #2464 Lock binary dependencies to a specific version

• #2573 [x/distribution] add accum invariance

BUG FIXES

• Gaia CLI (`gaiacli`)

• [cli] #1997 Handle panics gracefully when `gaiacli stake {delegation,unbond}` fail to unmarshal delegation.

• [cli] #2265 Fix JSON formatting of the `gaiacli send` command.

• [cli] #2547 Mark --to and --amount as required flags for `gaiacli tx send`.

• Gaia

• [x/stake] Return correct Tendermint validator update set on `EndBlocker` by not

including non previously bonded validators that have zero power. #2189

• SDK

• #1988 Make us compile on OpenBSD (disable ledger) [ #1988 ] ( #1988 )

• #2105 Fix DB Iterator leak, which may leak a go routine.

• [ledger] #2064 Fix inability to sign and send transactions via the LCD by

loading a Ledger device at runtime.

• #2158 Fix non-deterministic ordering of validator iteration when slashing in `gov EndBlocker`

• [simulation] #1924 Make simulation stop on SIGTERM

• #2388 Remove dependency on deprecated tendermint/tmlibs repository.

• #2416 Refactored `InitializeTestLCD` to properly include proposing validator in genesis state.

• #2573 [x/distribution] accum invariance bugfix

• #2573 [x/slashing] unbonding-delegation slashing invariance bugfix