[mint] Update mint distribution to be daily (#718)

* update proto

* Fix test

* Mints

* Address unit test comments

* lint

* lint

* remove prints

* bweng-test handler

* refactor release amoujnt

* fix same day buy

* Remove

* Remove

* clean up

* Fix

* rename migrations

* Update upgrades.go

cmd/seid/cmd/iavl_parser.go

@@ -31,8 +31,6 @@ func MintParser(key []byte) ([]string, error) {
 	switch {
 	case bytes.HasPrefix(key, minttypes.MinterKey):
 		keyItems = append(keyItems, "MinterKey")
-	case bytes.HasPrefix(key, minttypes.LastTokenReleaseDate):
-		keyItems = append(keyItems, "LastTokenReleaseDate")
 	default:
 		keyItems = append(keyItems, UNRECOGNIZED)
 	}

go.mod

@@ -95,6 +95,7 @@ require (
 	github.com/firefart/nonamedreturns v1.0.1 // indirect
 	github.com/fsnotify/fsnotify v1.5.4 // indirect
 	github.com/fzipp/gocyclo v0.5.1 // indirect
+	github.com/ghodss/yaml v1.0.0 // indirect
 	github.com/go-critic/go-critic v0.6.3 // indirect
 	github.com/go-kit/kit v0.12.0 // indirect
 	github.com/go-kit/log v0.2.0 // indirect
@@ -141,6 +142,7 @@ require (
 	github.com/gostaticanalysis/nilerr v0.1.1 // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.15.2 // indirect
 	github.com/gsterjov/go-libsecret v0.0.0-20161001094733-a6f4afe4910c // indirect
 	github.com/hashicorp/errwrap v1.0.0 // indirect
 	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect

go.sum

@@ -340,6 +340,7 @@ github.com/fullstorydev/grpcurl v1.6.0/go.mod h1:ZQ+ayqbKMJNhzLmbpCiurTVlaK2M/3n
 github.com/fzipp/gocyclo v0.5.1 h1:L66amyuYogbxl0j2U+vGqJXusPF2IkduvXLnYD5TFgw=
 github.com/fzipp/gocyclo v0.5.1/go.mod h1:rXPyn8fnlpa0R2csP/31uerbiVBugk5whMdlyaLkLoA=
 github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff/go.mod h1:x7DCsMOv1taUwEWCzT4cmDeAkigA5/QCwUodaVOe8Ww=
+github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
 github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
@@ -596,6 +597,8 @@ github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t
 github.com/grpc-ecosystem/grpc-gateway v1.12.1/go.mod h1:8XEsbTttt/W+VvjtQhLACqCisSPWTxCZ7sBRjU6iH9c=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0 h1:gmcG1KaJ57LophUzW0Hy8NmPhnMZb4M0+kPpLofRdBo=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.15.2 h1:gDLXvp5S9izjldquuoAhDzccbskOL6tDC5jMSyx3zxE=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.15.2/go.mod h1:7pdNwVWBBHGiCxa9lAszqCJMbfTISJ7oMftp8+UGV08=
 github.com/gsterjov/go-libsecret v0.0.0-20161001094733-a6f4afe4910c h1:6rhixN/i8ZofjG1Y75iExal34USq5p+wiN1tpie8IrU=
 github.com/gsterjov/go-libsecret v0.0.0-20161001094733-a6f4afe4910c/go.mod h1:NMPJylDgVpX0MLRlPy15sqSwOFv/U1GZ2m21JhFfek0=
 github.com/hashicorp/consul/api v1.3.0/go.mod h1:MmDNSzIMUjNpY/mQ398R4bk2FnqQLoPndWW5VkKPlCE=

proto/mint/v1beta1/mint.proto

@@ -7,6 +7,40 @@ import "gogoproto/gogo.proto";
 
 // Minter represents the most recent
 message Minter {
+  string  start_date = 1;  // yyyy-mm-dd
+  string  end_date = 2;    // yyyy-mm-dd
+  string  denom = 3;
+  uint64   total_mint_amount = 4;
+  uint64   remaining_mint_amount = 5;
+  uint64   last_mint_amount = 6;
+  string  last_mint_date = 7;
+  uint64   last_mint_height = 8; // yyyy-mm-dd
+}
+
+message ScheduledTokenRelease {
+  string  start_date = 1;  // yyyy-mm-dd
+  string  end_date = 2;    // yyyy-mm-dd
+  uint64  token_release_amount = 3;
+}
+
+// Params holds parameters for the mint module.
+message Params {
+  option (gogoproto.goproto_stringer) = false;
+
+  // type of coin to mint
+  string mint_denom = 1;
+  // List of token release schedules
+  repeated ScheduledTokenRelease token_release_schedule = 2 [
+    (gogoproto.moretags) = "yaml:\"token_release_schedule\"",
+    (gogoproto.nullable) = false
+  ];
+}
+
+
+// Legacy Protobufs used for migration purposes
+
+// Minter represents the most recent
+message Version2Minter {
   string last_mint_amount = 1 [
     (gogoproto.moretags) = "yaml:\"last_mint_amount\"",
     (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
@@ -23,21 +57,20 @@ message Minter {
   ];
 }
 
-message ScheduledTokenRelease {
+message Version2ScheduledTokenRelease {
   string date = 1; // yyyy-mm-dd
   int64 token_release_amount = 2;
 }
 
 // Params holds parameters for the mint module.
-message Params {
+message Version2Params {
   option (gogoproto.goproto_stringer) = false;
 
   // type of coin to mint
   string mint_denom = 1;
   // List of token release schedules
-  repeated ScheduledTokenRelease token_release_schedule = 2 [
+  repeated Version2ScheduledTokenRelease token_release_schedule = 2 [
     (gogoproto.moretags) = "yaml:\"token_release_schedule\"",
     (gogoproto.nullable) = false
   ];
 }
-

proto/mint/v1beta1/query.proto

@@ -37,18 +37,12 @@ message QueryMinterRequest {}
 // QueryMinterResponse is the response type for the
 // Query/Minter RPC method.
 message QueryMinterResponse {
-  string last_mint_amount = 1 [
-    (gogoproto.moretags) = "yaml:\"last_mint_amount\"",
-    (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec",
-    (gogoproto.nullable) = false
-    ];
-  string last_mint_date = 2 [
-    (gogoproto.moretags) = "yaml:\"last_mint_date\""
-  ];
-  int64 last_mint_height = 3 [
-    (gogoproto.moretags) = "yaml:\"last_mint_height\""
-  ];
-  string denom = 4 [
-    (gogoproto.moretags) = "yaml:\"denom\""
-  ];
+  string  start_date = 1 [(gogoproto.moretags) = "yaml:\"start_date\""];
+  string  end_date = 2 [(gogoproto.moretags) = "yaml:\"end_date\""];
+  string  denom = 3 [(gogoproto.moretags) = "yaml:\"denom\""];
+  uint64   total_mint_amount = 4 [(gogoproto.moretags) = "yaml:\"total_mint_amount\""];
+  uint64   remaining_mint_amount = 5 [(gogoproto.moretags) = "yaml:\"remaining_mint_amount\""];
+  uint64   last_mint_amount = 6 [(gogoproto.moretags) = "yaml:\"last_mint_amount\""];
+  string  last_mint_date = 7 [(gogoproto.moretags) = "yaml:\"last_mint_date\""];
+  uint64   last_mint_height = 8 [(gogoproto.moretags) = "yaml:\"last_mint_height\""];
 }

scripts/initialize_local_chain.sh

@@ -47,7 +47,8 @@ python3  loadtest/scripts/populate_genesis_accounts.py 10 loc
 # update some params in genesis file for easier use of the chain localls (make gov props faster)
 cat ~/.sei/config/genesis.json | jq '.app_state["gov"]["deposit_params"]["max_deposit_period"]="300s"' > ~/.sei/config/tmp_genesis.json && mv ~/.sei/config/tmp_genesis.json ~/.sei/config/genesis.json
 cat ~/.sei/config/genesis.json | jq '.app_state["gov"]["voting_params"]["voting_period"]="30s"' > ~/.sei/config/tmp_genesis.json && mv ~/.sei/config/tmp_genesis.json ~/.sei/config/genesis.json
-cat ~/.sei/config/genesis.json | jq --arg release_date "$(date +"%Y-%m-%d")" '.app_state["mint"]["params"]["token_release_schedule"]=[{"date": $release_date, "token_release_amount": "999999999999"}]' > ~/.sei/config/tmp_genesis.json && mv ~/.sei/config/tmp_genesis.json ~/.sei/config/genesis.json
+cat ~/.sei/config/genesis.json | jq --arg start_date "$(date +"%Y-%m-%d")" --arg end_date "$(date -v+3d +"%Y-%m-%d")" '.app_state["mint"]["params"]["token_release_schedule"]=[{"start_date": $start_date, "end_date": $end_date, "token_release_amount": "999999999999"}]' > ~/.sei/config/tmp_genesis.json && mv ~/.sei/config/tmp_genesis.json ~/.sei/config/genesis.json
+cat ~/.sei/config/genesis.json | jq --arg start_date "$(date -v+3d +"%Y-%m-%d")" --arg end_date "$(date -v+5d +"%Y-%m-%d")" '.app_state["mint"]["params"]["token_release_schedule"] += [{"start_date": $start_date, "end_date": $end_date, "token_release_amount": "999999999999"}]' > ~/.sei/config/tmp_genesis.json && mv ~/.sei/config/tmp_genesis.json ~/.sei/config/genesis.json
 cat ~/.sei/config/genesis.json | jq '.app_state["gov"]["voting_params"]["expedited_voting_period"]="10s"' > ~/.sei/config/tmp_genesis.json && mv ~/.sei/config/tmp_genesis.json ~/.sei/config/genesis.json
 cat ~/.sei/config/genesis.json | jq '.app_state["oracle"]["params"]["vote_period"]="1"' > ~/.sei/config/tmp_genesis.json && mv ~/.sei/config/tmp_genesis.json ~/.sei/config/genesis.json
 cat ~/.sei/config/genesis.json | jq '.app_state["distribution"]["params"]["community_tax"]="0.000000000000000000"' > ~/.sei/config/tmp_genesis.json && mv ~/.sei/config/tmp_genesis.json ~/.sei/config/genesis.json

utils/metrics/metrics_util.go

@@ -185,3 +185,15 @@ func IncrValidatorSlashed(proposer string) {
 		[]metrics.Label{telemetry.NewLabel("proposer", proposer)},
 	)
 }
+
+// Measures number of times a denom's price is updated
+// Metric Name:
+//
+//	sei_oracle_price_update_count
+func SetCoinsMinted(amount uint64, denom string) {
+	telemetry.SetGaugeWithLabels(
+		[]string{"sei", "mint", "coins"},
+		float32(amount),
+		[]metrics.Label{telemetry.NewLabel("denom", denom)},
+	)
+}

x/mint/keeper/hooks.go

@@ -1,38 +1,23 @@
 package keeper
 
 import (
-	"fmt"
-
-	"github.com/cosmos/cosmos-sdk/telemetry"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	epochTypes "github.com/sei-protocol/sei-chain/x/epoch/types"
-	"github.com/sei-protocol/sei-chain/x/mint/types"
 )
 
 func (k Keeper) BeforeEpochStart(ctx sdk.Context, epoch epochTypes.Epoch) {
 }
 
 func (k Keeper) AfterEpochEnd(ctx sdk.Context, epoch epochTypes.Epoch) {
-	params := k.GetParams(ctx)
-	minter := k.GetMinter(ctx)
+	latestMinter := k.GetOrUpdateLatestMinter(ctx, epoch)
+	coinsToMint := latestMinter.GetReleaseAmountToday(epoch.CurrentEpochStartTime.UTC())
 
-	// If the current yyyy-mm-dd of the epoch timestamp matches any of the scheduled token release then proceed to mint
-	lastRelaseDate := minter.GetLastMintDateTime()
-	scheduledTokenRelease := types.GetScheduledTokenRelease(epoch, lastRelaseDate, params.GetTokenReleaseSchedule())
-	if scheduledTokenRelease == nil {
-		ctx.Logger().Debug(fmt.Sprintf("No release at epoch time %s; last release %s", epoch.GetCurrentEpochStartTime().String(), lastRelaseDate.Format(types.TokenReleaseDateFormat)))
+	if coinsToMint.IsZero() || latestMinter.GetRemainingMintAmount() == 0 {
+		k.Logger(ctx).Debug("No coins to mint", "minter", latestMinter)
 		return
 	}
 
-	newMinter := types.NewMinter(
-		sdk.NewDec(scheduledTokenRelease.TokenReleaseAmount),
-		scheduledTokenRelease.GetDate(),
-		epoch.GetCurrentEpochHeight(),
-		params.GetMintDenom(),
-	)
-
 	// mint coins, update supply
-	coinsToMint := newMinter.GetCoins()
 	if err := k.MintCoins(ctx, coinsToMint); err != nil {
 		panic(err)
 	}
@@ -41,22 +26,11 @@ func (k Keeper) AfterEpochEnd(ctx sdk.Context, epoch epochTypes.Epoch) {
 		panic(err)
 	}
 
-	mintedCoin := newMinter.GetCoin()
-	if mintedCoin.Amount.IsInt64() {
-		mintedCoins := float32(mintedCoin.Amount.Int64())
-		ctx.Logger().Info(fmt.Sprintf("Minted %f at block time %s", mintedCoins, epoch.CurrentEpochStartTime.String()))
-		defer telemetry.ModuleSetGauge(types.ModuleName, mintedCoins, "minted_tokens")
-	}
-
-	k.SetMinter(ctx, newMinter)
-	ctx.EventManager().EmitEvent(
-		sdk.NewEvent(
-			types.EventTypeMint,
-			sdk.NewAttribute(types.AttributeEpochNumber, fmt.Sprintf("%d", epoch.GetCurrentEpoch())),
-			sdk.NewAttribute(types.AttributeKeyEpochProvisions, minter.GetLastMintDate()),
-			sdk.NewAttribute(sdk.AttributeKeyAmount, mintedCoin.Amount.String()),
-		),
-	)
+	// Released Succssfully, decrement the remaining amount by the daily release amount and update minter
+	amountMinted := coinsToMint.AmountOf(latestMinter.GetDenom())
+	latestMinter.RecordSuccessfulMint(ctx, epoch, amountMinted.Uint64())
+	k.Logger(ctx).Info("Minted coins", "minter", latestMinter, "amount", coinsToMint.String())
+	k.SetMinter(ctx, latestMinter)
 }
 
 type Hooks struct {