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Add query for the total supply of a coin #903

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merged 2 commits into from
Sep 7, 2022
Merged

Add query for the total supply of a coin #903

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8161724
add bank supply query
larry0x Jul 12, 2022
2dfd082
remove a local dev dependency
larry0x Jul 12, 2022
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10 changes: 10 additions & 0 deletions x/wasm/keeper/query_plugins.go
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Original file line number Diff line number Diff line change
Expand Up @@ -189,6 +189,16 @@ func BankQuerier(bankKeeper types.BankViewKeeper) func(ctx sdk.Context, request
}
return json.Marshal(res)
}
if request.Supply != nil {
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This looks good. Some happy path test with the mock would be good for regression

coin := bankKeeper.GetSupply(ctx, request.Supply.Denom)
res := wasmvmtypes.SupplyResponse{
Amount: wasmvmtypes.Coin{
Denom: coin.Denom,
Amount: coin.Amount.String(),
},
}
return json.Marshal(res)
}
return nil, wasmvmtypes.UnsupportedRequest{Kind: "unknown BankQuery variant"}
}
}
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8 changes: 8 additions & 0 deletions x/wasm/keeper/query_plugins_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -511,10 +511,18 @@ func (m mockWasmQueryKeeper) IsPinnedCode(ctx sdk.Context, codeID uint64) bool {
}

type bankKeeperMock struct {
GetSupplyFn func(ctx sdk.Context, denom string) sdk.Coin
GetBalanceFn func(ctx sdk.Context, addr sdk.AccAddress, denom string) sdk.Coin
GetAllBalancesFn func(ctx sdk.Context, addr sdk.AccAddress) sdk.Coins
}

func (m bankKeeperMock) GetSupply(ctx sdk.Context, denom string) sdk.Coin {
if m.GetSupplyFn == nil {
panic("not expected to be called")
}
return m.GetSupplyFn(ctx, denom)
}

func (m bankKeeperMock) GetBalance(ctx sdk.Context, addr sdk.AccAddress, denom string) sdk.Coin {
if m.GetBalanceFn == nil {
panic("not expected to be called")
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1 change: 1 addition & 0 deletions x/wasm/types/expected_keepers.go
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ import (
type BankViewKeeper interface {
GetAllBalances(ctx sdk.Context, addr sdk.AccAddress) sdk.Coins
GetBalance(ctx sdk.Context, addr sdk.AccAddress, denom string) sdk.Coin
GetSupply(ctx sdk.Context, denom string) sdk.Coin
}

// Burner is a subset of the sdk bank keeper methods
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