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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| syntax = "proto3"; | ||
| package tendermint.spn.mint; | ||
|
|
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| import "gogoproto/gogo.proto"; | ||
| import "mint/mint.proto"; | ||
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| option go_package = "github.com/tendermint/spn/x/mint/types"; | ||
|
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| // GenesisState defines the mint module's genesis state. | ||
| message GenesisState { | ||
| // minter is a space for holding current inflation information. | ||
| Minter minter = 1 [(gogoproto.nullable) = false]; | ||
|
|
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| // params defines all the paramaters of the module. | ||
| Params params = 2 [(gogoproto.nullable) = false]; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| syntax = "proto3"; | ||
| package tendermint.spn.mint; | ||
|
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| option go_package = "github.com/tendermint/spn/x/mint/types"; | ||
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| import "gogoproto/gogo.proto"; | ||
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| // Minter represents the minting state. | ||
| message Minter { | ||
| // current annual inflation rate | ||
| string inflation = 1 | ||
| [(gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec", (gogoproto.nullable) = false]; | ||
| // current annual expected provisions | ||
| string annual_provisions = 2 [ | ||
| (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec", | ||
| (gogoproto.nullable) = false | ||
| ]; | ||
| } | ||
|
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| message DistributionProportions { | ||
| // staking defines the proportion of the minted minted_denom that is to be | ||
| // allocated as staking rewards. | ||
| string staking = 1 [ | ||
| (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec", | ||
| (gogoproto.nullable) = false | ||
| ]; | ||
| // incentives defines the proportion of the minted minted_denom that is | ||
| // to be allocated as incentives. | ||
| string incentives = 2 [ | ||
| (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec", | ||
| (gogoproto.nullable) = false | ||
| ]; | ||
| // community_pool defines the proportion of the minted minted_denom that is | ||
| // to be allocated to the community pool. | ||
| string community_pool = 3 [ | ||
| (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec", | ||
| (gogoproto.nullable) = false | ||
| ]; | ||
| } | ||
|
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| // Params holds parameters for the mint module. | ||
| message Params { | ||
| option (gogoproto.goproto_stringer) = false; | ||
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| // type of coin to mint | ||
| string mint_denom = 1; | ||
| // maximum annual change in inflation rate | ||
| string inflation_rate_change = 2 [ | ||
| (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec", | ||
| (gogoproto.nullable) = false | ||
| ]; | ||
| // maximum inflation rate | ||
| string inflation_max = 3 [ | ||
| (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec", | ||
| (gogoproto.nullable) = false | ||
| ]; | ||
| // minimum inflation rate | ||
| string inflation_min = 4 [ | ||
| (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec", | ||
| (gogoproto.nullable) = false | ||
| ]; | ||
| // goal of percent bonded atoms | ||
| string goal_bonded = 5 [ | ||
| (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec", | ||
| (gogoproto.nullable) = false | ||
| ]; | ||
| // expected blocks per year | ||
| uint64 blocks_per_year = 6; | ||
| // distribution_proportions defines the proportion of the minted denom | ||
| DistributionProportions distribution_proportions = 7 | ||
| [ (gogoproto.nullable) = false ]; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| syntax = "proto3"; | ||
| package tendermint.spn.mint; | ||
|
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| import "gogoproto/gogo.proto"; | ||
| import "google/api/annotations.proto"; | ||
| import "mint/mint.proto"; | ||
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| option go_package = "github.com/tendermint/spn/x/mint/types"; | ||
|
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| // Query provides defines the gRPC querier service. | ||
| service Query { | ||
| // Params returns the total set of minting parameters. | ||
| rpc Params(QueryParamsRequest) returns (QueryParamsResponse) { | ||
| option (google.api.http).get = "/cosmos/mint/v1beta1/params"; | ||
| } | ||
|
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| // Inflation returns the current minting inflation value. | ||
| rpc Inflation(QueryInflationRequest) returns (QueryInflationResponse) { | ||
| option (google.api.http).get = "/cosmos/mint/v1beta1/inflation"; | ||
| } | ||
|
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| // AnnualProvisions current minting annual provisions value. | ||
| rpc AnnualProvisions(QueryAnnualProvisionsRequest) returns (QueryAnnualProvisionsResponse) { | ||
| option (google.api.http).get = "/cosmos/mint/v1beta1/annual_provisions"; | ||
| } | ||
| } | ||
|
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| // QueryParamsRequest is the request type for the Query/Params RPC method. | ||
| message QueryParamsRequest {} | ||
|
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| // QueryParamsResponse is the response type for the Query/Params RPC method. | ||
| message QueryParamsResponse { | ||
| // params defines the parameters of the module. | ||
| Params params = 1 [(gogoproto.nullable) = false]; | ||
| } | ||
|
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| // QueryInflationRequest is the request type for the Query/Inflation RPC method. | ||
| message QueryInflationRequest {} | ||
|
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| // QueryInflationResponse is the response type for the Query/Inflation RPC | ||
| // method. | ||
| message QueryInflationResponse { | ||
| // inflation is the current minting inflation value. | ||
| bytes inflation = 1 [(gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec", (gogoproto.nullable) = false]; | ||
| } | ||
|
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| // QueryAnnualProvisionsRequest is the request type for the | ||
| // Query/AnnualProvisions RPC method. | ||
| message QueryAnnualProvisionsRequest {} | ||
|
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| // QueryAnnualProvisionsResponse is the response type for the | ||
| // Query/AnnualProvisions RPC method. | ||
| message QueryAnnualProvisionsResponse { | ||
| // annual_provisions is the current minting annual provisions value. | ||
| bytes annual_provisions = 1 | ||
| [(gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Dec", (gogoproto.nullable) = false]; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| package mint | ||
|
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| import ( | ||
| "time" | ||
|
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| "github.com/cosmos/cosmos-sdk/telemetry" | ||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
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| "github.com/tendermint/spn/x/mint/keeper" | ||
| "github.com/tendermint/spn/x/mint/types" | ||
| ) | ||
|
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| // BeginBlocker mints new tokens for the previous block. | ||
| func BeginBlocker(ctx sdk.Context, k keeper.Keeper) { | ||
| defer telemetry.ModuleMeasureSince(types.ModuleName, time.Now(), telemetry.MetricKeyBeginBlocker) | ||
|
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| // fetch stored minter & params | ||
| minter := k.GetMinter(ctx) | ||
| params := k.GetParams(ctx) | ||
|
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| // recalculate inflation rate | ||
| totalStakingSupply := k.StakingTokenSupply(ctx) | ||
| bondedRatio := k.BondedRatio(ctx) | ||
| minter.Inflation = minter.NextInflationRate(params, bondedRatio) | ||
| minter.AnnualProvisions = minter.NextAnnualProvisions(params, totalStakingSupply) | ||
| k.SetMinter(ctx, minter) | ||
|
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| // mint coins, update supply | ||
| mintedCoin := minter.BlockProvision(params) | ||
| mintedCoins := sdk.NewCoins(mintedCoin) | ||
|
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| err := k.MintCoins(ctx, mintedCoins) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
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| // distribute minted coins according to the defined proportions | ||
| err = k.DistributeMintedCoins(ctx, mintedCoin) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
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| if mintedCoin.Amount.IsInt64() { | ||
| defer telemetry.ModuleSetGauge(types.ModuleName, float32(mintedCoin.Amount.Int64()), "minted_tokens") | ||
| } | ||
|
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| ctx.EventManager().EmitEvent( | ||
| sdk.NewEvent( | ||
| types.EventTypeMint, | ||
| sdk.NewAttribute(types.AttributeKeyBondedRatio, bondedRatio.String()), | ||
| sdk.NewAttribute(types.AttributeKeyInflation, minter.Inflation.String()), | ||
| sdk.NewAttribute(types.AttributeKeyAnnualProvisions, minter.AnnualProvisions.String()), | ||
| sdk.NewAttribute(sdk.AttributeKeyAmount, mintedCoin.Amount.String()), | ||
| ), | ||
| ) | ||
| } |
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