36 lines
887 B
Go
36 lines
887 B
Go
package handler
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import (
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"context"
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"fmt"
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"math/big"
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"github.com/grassrootseconomics/eth-indexer/internal/telegram"
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"github.com/grassrootseconomics/eth-tracker/pkg/event"
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"github.com/lmittmann/w3"
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"github.com/lmittmann/w3/module/eth"
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)
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const balanceThreshold = 5
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func (h *Handler) IndexFaucetGive(ctx context.Context, event event.Event) error {
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return h.store.InsertFaucetGive(ctx, event)
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}
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func (h *Handler) FaucetHealthCheck(ctx context.Context, event event.Event) error {
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var balance *big.Int
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if err := h.chainProvider.Client.CallCtx(
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ctx,
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eth.Balance(w3.A(event.ContractAddress), nil).Returns(&balance),
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); err != nil {
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return err
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}
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if balance.Cmp(new(big.Int).Mul(w3.BigEther, big.NewInt(balanceThreshold))) < 0 {
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return h.telegram.Notify(ctx, fmt.Sprintf("%s:\n\n %s", event.ContractAddress, telegram.NOTIFY_LOW_BALANCE_ON_GAS_FAUCET))
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}
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return nil
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}
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