signrawtransaction
signrawtransaction "hexstring" ( [{"txid":"id","vout":n,"scriptPubKey":"hex","redeemScript":"hex"},...] ["privatekey1",...] sighashtype )
Sign inputs for raw transaction (serialized, hex-encoded).
The second optional argument (may be null) is an array of previous transaction outputs that
this transaction depends on but may not yet be in the block chain.
The third optional argument (may be null) is an array of base58-encoded private
keys that, if given, will be the only keys used to sign the transaction.