This PR adds re-written difficulty calculators, which are based on uint256. It also adds a fuzzer + oss-fuzz integration for the new fuzzer. It does differential fuzzing between the new and old calculators. Note: this PR does not actually enable the new calculators.
		
			
				
	
	
		
			24 lines
		
	
	
		
			406 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			406 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| package main
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| 
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| import (
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| 	"fmt"
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| 	"io/ioutil"
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| 	"os"
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| 
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| 	"github.com/ethereum/go-ethereum/tests/fuzzers/difficulty"
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| )
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| 
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| func main() {
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| 	if len(os.Args) != 2 {
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| 		fmt.Fprintf(os.Stderr, "Usage: debug <file>")
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| 		os.Exit(1)
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| 	}
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| 	crasher := os.Args[1]
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| 	data, err := ioutil.ReadFile(crasher)
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| 	if err != nil {
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| 		fmt.Fprintf(os.Stderr, "error loading crasher %v: %v", crasher, err)
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| 		os.Exit(1)
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| 	}
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| 	difficulty.Fuzz(data)
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| }
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