mirror of
https://github.com/0glabs/0g-chain.git
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075a3089ce
* added events, attributes to pricefeed msgs and core functionality * removed added space * conditionally emit market_price_updated if price has changed * updated expiry to Unix format
50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
package pricefeed
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import (
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"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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// NewHandler handles all pricefeed type messages
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func NewHandler(k Keeper) sdk.Handler {
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return func(ctx sdk.Context, msg sdk.Msg) sdk.Result {
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switch msg := msg.(type) {
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case MsgPostPrice:
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return HandleMsgPostPrice(ctx, k, msg)
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default:
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errMsg := fmt.Sprintf("unrecognized pricefeed message type: %T", msg)
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return sdk.ErrUnknownRequest(errMsg).Result()
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}
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}
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}
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// price feed questions:
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// do proposers need to post the round in the message? If not, how do we determine the round?
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// HandleMsgPostPrice handles prices posted by oracles
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func HandleMsgPostPrice(
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ctx sdk.Context,
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k Keeper,
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msg MsgPostPrice) sdk.Result {
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_, err := k.GetOracle(ctx, msg.MarketID, msg.From)
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if err != nil {
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return err.Result()
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}
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_, err = k.SetPrice(ctx, msg.From, msg.MarketID, msg.Price, msg.Expiry)
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if err != nil {
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return err.Result()
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}
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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, msg.From.String()),
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),
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)
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return sdk.Result{Events: ctx.EventManager().Events()}
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}
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