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Add 20% gas price buffer to legacy transactions #84

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Add 20% gas price buffer to legacy transactions #84

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10 changes: 10 additions & 0 deletions lib/ethers/transaction.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -249,6 +249,16 @@ defmodule Ethers.Transaction do
end
end

defp do_post_process(:gas_price, {:ok, v_hex}) do
with {:ok, v} <- Utils.hex_to_integer(v_hex) do
# Setting a higher value for gas_price gas since the actual base fee is
# determined by the last block. This way we minimize the chance to get stuck in
# queue when base fee increases
mex_fee_per_gas = div(v * 120, 100)
{:ok, {:gas_price, Utils.integer_to_hex(mex_fee_per_gas)}}
end
end

defp do_post_process(key, {:ok, v_hex}) do
{:ok, {key, v_hex}}
end
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