按着这个教程撘私有链
4 R& M- E; _9 }2 H' O' g结果第一步就报错啦
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genesis.json:
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1. {1 b* D9 A6 G& v! L
   
2.   "coinbase"   : "0x0000000000000000000000000000000000000000",
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3.   "difficulty" : "0x400",+ x( J2 D$ ]# ]! o& i6 ]1 c* w
   
4.   "extraData"  : "0x0",
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5.   "gasLimit"   : "0x2fefd8",
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6.   "nonce"      : "0xdeadbeefdeadbeef",
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7.   "mixhash"    : "0x0000000000000000000000000000000000000000000000000000000000000000",$ V# K, Q% j9 ~# W9 z4 z* V
   
8.   "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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9.   "timestamp"  : "0x00",  w& A3 _* ?# O
   
10.   "alloc"      : {}. \* D! E) d& z& _
    
11. }

复制代码

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然而启动的时候：" r2 c- @/ {* V2 }% R: z: u, P
wangyideMacBook-Pro:eth vincent$  geth --datadir data0 init genesis.json6 n# W6 a: M4 k4 M
Fatal: invalid genesis file: json: cannot unmarshal hex string of odd length into Go struct field Genesis.extraData of type hexutil.Bytes( ?7 _9 X: D9 H5 E0 \& ^
wangyideMacBook-Pro:eth vincent$
% O. k/ C  [, f( p1 F哪位大神能帮帮我？