fix: small tweaks needed for agorictest-8

MAINTAINERS.md

@@ -41,6 +41,15 @@ REFERENCES TO YOUR TAGS.
 ./scripts/get-released-tags git push origin
 ```
 
+To make validators' lives easier, create a tag for the chain-id:
+
+```sh
+SDK_VERSION=2.17.0 # Set this as necessary
+CHAIN_ID=agoricstage-4 # Also change this
+git tag -s -m "release $CHAIN_ID" $CHAIN_ID @agoric/sdk@$SDK_VERSION^{}
+git push origin $CHAIN_ID
+```
+
 ## More subtlety
 
 To get help for the command-line options that will affect these commands, use:

packages/agoric-cli/lib/chain-config.js

@@ -108,6 +108,7 @@ export function finishCosmosGenesis({ genesisJson, exportedGenesisJson }) {
   // TODO: This needs much more support to preserve contract state
   // between exports in order to be able to carry forward IBC conns.
   genesis.app_state.ibc = initState.ibc;
+  genesis.app_state.capability = initState.capability;
 
   genesis.app_state.staking.params.bond_denom = STAKING_DENOM;
   genesis.app_state.staking.params.max_validators = STAKING_MAX_VALIDATORS;

packages/cosmic-swingset/.gitignore

@@ -15,6 +15,7 @@ build
 *.iml
 node_modules
 t[0-9]/
+t[0-9].*/
 
 ve[0-9]/
 ve[0-9]-client/

packages/cosmic-swingset/lib/block-manager.js

@@ -122,9 +122,9 @@ export default function makeBlockManager({
         if (!deepEquals(currentActions, savedActions)) {
           // We only handle the trivial case.
           const restoreHeight = action.blockHeight - 1;
-          // We can reset from 0 to anything, since that's what happens
-          // when genesis.initial_height !== "0".
-          if (computedHeight !== 0 && restoreHeight !== computedHeight) {
+          // We can reset from -1 or 0 to anything, since that's what happens
+          // when genesis.initial_height !== "1".
+          if (computedHeight > 0 && restoreHeight !== computedHeight) {
             // Keep throwing forever.
             decohered = Error(
               // TODO unimplemented