Analysis: Hamas considers the death of an IDF soldier an achievement,giving up on massive rocket fire, leading to the collapse of the 'fire met with fire' equation it was trying to instill. The IDF's massive strikes, and the Egyptians' enrage and Hamas's fear of an IDF incursion into Gaza led the terrorism group to accept the terms of the truce. But it doesn't discontinuance here.
Source: ynet.co.il